Security for Wireless Sensor Networks Using Identity-based Cryptography

This book piecestogether the history of HMS Tamar. From her launch into service to her roles as a hospital, theatre stage, and transport for military personnel, the Tamar carried not just people, but also their mundane dreams and ambitions ― for friends, families, and staying alive.

How did Bitcoin price increase 1,200 times in only a decade? Why can a virtual image be sold for as high as HK$500 million? How did Dogecoin once become the fourth largest digital asset in terms of market cap, after being created for fun? Understanding the development of blockchain and crypto assets and how to make good use of its decentralized technology can protect individual wealth effectively and be an edge against the inflation caused by central banks, and sometimes also be a shortcut to get rich. Cryptocurrencies, including Bitcoin, Ethereum, and many others, have been mushrooming in recent years. Blockchain technology has also evolved from 1.0 to 3.0. How can you identify and seize these new opportunities? This book gives a brief explanation of the development course of blockchain and crypto assets, an analysis of the industry ecosystem, a framework for institutional investors to manage their portfolios, and an outlook on the development direction of this industry in the coming

本套書包含以下6本硬頁書I Can Be PatientI Can Say SorryI Like to be KindWhen I am HappySometimes I Am AngrySometimes I Am Worried*Best for Early Years*Helpful expert advice*Develops closer relationshipsShare these books with your little ones to talk about how they may be feeling. Filled with ideas and activities as well as flaps, sliders and a wheel, these books will help children explore their feelings.

Shortlisted for the Orwell Prize for Political Fiction歐威爾獎決選。跨越世代與國境，思索歷史、愛與生存。there are more things is a novel about two women - Melissa and Catarina.Born to a well-known political family in Olinda, Brazil, Catarina grows up in the shadow of her dead aunt, Laura. Melissa, a South London native, is brought up by her mum and a crew of rebellious grandmothers.In January 2016, Melissa and Catarina meet for the first time, and, as political turmoil unfolds across Brazil and the UK, their friendship takes flight.Their story takes us across continents and generations - from the election of Lula to the London riots to the darkest years of Brazil's military dictatorship.there are more things builds on the unique voice of Yara's debut to create a sweeping novel about history, revolution and love. In it we see sisterhood and queerness, and, perhaps, glimpse a better way to live.

Meet the princess who loves breaking the rules and her Royal Unicorn, who happens to be a pig!A madcap and much-loved adventure series for 6-8 year olds, perfectly bridging the gap from picture books to chapter books, from award-winning author-illustrator Hannah Shaw, filled with pictures in all the colours of the rainbow and interactive extra material. Princess Pea and Unipiggle are very excited to be attending ROYAL CAMP for the first time. They are looking forward to meeting other Princes, Princesses and Royal Companions, and staying in a tent.But someone is out to RUIN Royal Camp. Things are going missing, and the activities are all spoiled... Even worse, it looks like Princess Pea and Unipiggle have done it.Can Unipiggle and Princess Pea find the real culprit and stop the CAMPING CHAOS?

多數孩子與青少年高度依賴社群媒體，網路資訊的正確性與網路活動的安全性是現今社會的重要問題。本書談及隱私權設定、網路霸凌及使用濾鏡影響對外表的認知。透過此讀本加強媒體識讀，提升使用社群的安全性。Empower your kids to stay safe online with this fun, comprehensive guide for kids aged 10+. Packed with entertaining illustrations alongside practical information, the Social Media Survival Guide answers questions about all aspects of social media - the good AND the bad - making it a must-have tool for young people (and parents) to help navigate the online world safely and confidently and learn the best approaches to taking care of themselves. Content includes:- In-depth coverage of a range of important a difficult issues young people face including: body image, appearance-enhancing filters, influencers, sexual content and mental health- Uses recognisable themes rather than platform specifics, making the content relevant long-term- Tips on how to set up accounts safely and best manage privacy and messaging settings- Addressing your persona, online reputation, and relationships- Understanding

This immersive and reassuring book is packed with activities, all designed to help the reader focus and engage in the here and now. Aimed primarily at children, it contains a range of things to do, make, write and draw, so there's something for every mood.

來自暢銷《Don’t Tickle》系列，《Don’t Tickle the T. Rex!》延續趣味十足的互動機關設計。孩子只要輕輕觸碰書頁上的絨毛，就能聽見恐龍發出聲音，彷彿進入熱鬧的恐龍世界。書末還有一段帶動氣氛的音樂串聯，讓小讀者忍不住扭扭跳跳，增強節奏感與肢體協調力。You'd better not tickle the T. rex... because it might just roar if you do!Babies and toddlers just won't be able to resist tickling the touchy-feely patches to hear each dinosaur make a sound in this hilarious novelty book. At the end, readers will find all the dinosaurs being noisy at once in a musical finale guaranteed to get little ones dancing along. An exciting new series for babies and toddlers, from the creators of That's not my...With over 20 books to discover in this award-winning series, there is a book to excite every baby and toddler; including dinosaurs, bears, tigers, unicorns and lots more - giggles are guaranteed!Every DON'T TICKLE book supports sensory development with:- Engaging characters to encourage playfulness- Furry patches for developing motor skills- Playful music to inspire movement- Holes to peep through, sparking curiosi

This charming book explains the dos and don'ts for a good night's sleep. Discover what siestas are for, how sea otters sleep and why the dark doesn't need to be scary.

Peppa can't wait for her special adventure - she gets to be a zookeeper for the day!Peppa will wear a zookeeper's outfit, feed the guinea pigs and find out what makes the zoo such a magical place. T

Fox is always playing practical jokes on her friends, and her friends don't much like it. One day, Fox devises a new trick for her long-beaked friend Stork. Stork doesn't see the funny side, and finds a way to adapt the trick for Fox herself... Featuring appealing and colourful illustrations by Tania Rex.With fun activities after the story, and online audio in both British English and American English. CEFR level: low A1.

Father Mouse and Mother MOuse always want the best for their daughter, including the best possible husband... but Father Mouse has some rather grand and impractical ideas. Will Molly Mouse end up with the husband she really wants?With fun activities after the story, and online audio in both British English and American English. CEFR level: low A1. 300 headwords, 598 words.

Let this graphic novel be your time machine--experience history like never before Our past is only the beginning with History Comics. In this volume, turn back the clock to 1872, when Congress established Yellowstone National Park as an area of unspoiled beauty for the benefit and enjoyment of the people. Meet the visionaries, artists, and lovers of the American wilderness who fought against corruption and self-interest to carve out and protect these spaces for future generations. See for yourself how the idea of National Parks began, how they've changed, and how they continue to define America.

Jacob Walters′s dad has worked to make his son′s life a living hell. But when the cute new transfer student suffers his father′s wrath, Jacob must make the hardest decisions of his life.Skylar Gray is adopted, nonverbal, and he feels most comfortable wearing skirts. Life has never been easy, but with a fresh start at a brand-new school, with new parents and in a new state, he just might finally make some friends. Maybe. Honestly it′s hard to focus on anything when gorgeous rocker boy Jacob is around. But it′s hard for Skylar to trust anyone when people have always been quick to ditch him at the first inconvenience; they always seem more than ready to judge him as defective. And the bullies love to confirm it. Skylar has only ever had himself, so why would anything be different this time? Especially for an anxious boy with literally no voice.Jacob doesn′t give a damn, especially not since he came out over the summer. He expected the hate he got from his father, who mostly acts as if it

Inspired by Disney and Pixar's film Lightyear!This hardcover jacketed picture book captures the humor and antics of Buzz and his new friend in this story inspired by the film.Featuring beautiful artwork and packed with heart and humor, this book is perfect for fans of Buzz Lightyear.Check out these other best-selling fan favorites:Lightyear Middle Grade NovelLuca: Silenzio, Bruno!: When in Doubt, Shout It Out!Toy Story 4: Forky in Craft Buddy DayCoco: Miguel and the Grand HarmonyFinding Dory: Three Little Words

Officially licensed, one-of-a-kind collectible figure of the beloved Niffler from Fantastic Beasts and Where to Find Them. A perfect gift for fans of the Wizarding World. * SPECIFICATIONS: 3 inch figure of the Niffler mounted on a base* INCLUDES SOUND: Audio of the mischievous Niffler plays at the push of a button* IDENTIFICATION CARD INCLUDED: An illustrated description card provides information on the magical creature* PERFECT GIFT: A unique gift for fans of the wizarding world* OFFICIALLY LICENSED: Authentic Wizarding World collectible

Favorite stories from Robert Munsch in an early reader format kids will love! Adapted from the originals so beginner readers can proudly say "I read this myself!"Mortimer will not be quiet and go to sleep. Not for his mother, or his father, or his seventeen sisters and brothers, not even for the police.Colorful and fun, Robert Munsch's zany stories and Michael Martchenko's illustrations will grab kids' attention and keep them interested as they practice their reading skills.Tips for supporting emerging readers are in the back for parents.

Everyone needs things to look forward to: big things and small things, on good days and on bad days, whether we actively create delight for ourselves or simply allow it to enter our lives.In these pages, beloved author and illustrator Sophie Blackall has gathered a collection of joys for all of us―reminders that every day the sun comes up and new babies are born. She includes suggestions that you bake muffins for a friend, or draw a face on an egg and put it in the fridge where it will smile at you each time you open the door. With wisdom, whimsy, and compassion, the 52 illustrated ideas in this book offer moments of uplift and serendipity for yourself and your loved ones.A message of hope and solace in hard times and of joyful anticipation at times of new beginnings―whether you're grieving a loss or starting a new chapter―and for all the days in between―Things to Look Forward to is full of gentle reminders of the objects, occasions, gestures, and ideas that warm our hearts. There is a

Favorite stories from Robert Munsch in an early reader format kids will love! Adapted from the originals so beginner readers can proudly say "I read this myself!"Pigs are smarter than you think! When Megan's dad tells her not to let the pigs out of their pen, curiosity gets the better of her. Why not? Pigs are too dumb to do anything anyway . . . or are they? Before she knows it, the pigs are wreaking havoc all over her house, all over her school, and all over town. It's up to her to fgure out how to get them back home. To Megan's surprise, she discovers the animals are much smarter than she realized.Colorful and fun, Robert Munsch's zany stories and Michael Martchenko's illustrations will grab kids' attention and keep them interested as they practice their reading skills.Tips for supporting emerging readers are in the back for parents.

Winner of The Bath Children's Novel Award 2019There was a single trail of footprints, the first I'd seen all morning. They were fresh tracks, I saw, the edges of the impressions in the snow quite hard. Small feet.Like mine. Someone my age. Then they stopped.When mysterious footprints appear in the Stockholm snow, ten-year-old Kara must discover where they've come from - and who they belong to. They lead Kara to Rebecca, a thirteen-year-old Jewish girl, and her younger brother Samuel. Kara realises they are refugees - from another time, World War Two - and are trying to find their way home.The grief and loneliness that Rebecca and Samuel have endured is something Kara can relate to - feeling like you're always on the outside looking in - and she finds herself compelled to help them. Through her eyes, we rediscover the magic that lies in the world around us, if only we have the courage to look for it. Kara is a heroine for modern times: fragile but fierce, in this utterly compelling stor

You can do it too with Ladybird's It's Time to...!This interactive novelty board book is filled with sliders and flaps to help little ones mimic the adult behaviours they see every day. In It's Time to... Clean Up! the moving sliders and transformative flaps on every page allow toddlers to perform the tasks in the simple text - they can vacuum the floor, wash the dishes and even hang up the washing!The It's Time to...series:Boosts motor skillsEncourages imaginative playRecommended for children aged 3+Also available:It's Time to... Fix It!

''Whenever I want to read a book I know will be good, I go to Silvia Moreno-Garcia. Her genres are ever changing, her ability to take on a wild story each time is incredible'' TAYLOR JENKINS-REID, author of Daisy Jones and the SixThe Grand Season has just begun and already Nina''s debut among Loisail''s most notable socialites has gone disastrously awry.Nina has always struggled to control her gift of telekinesis, which has earnt her the nickname the Witch of Oldhouse. When Hector Auvray, the renowned entertainer, arrives in town, Nina is dazzled. He too has a telekinetic talent and sees her not as a witch, but ripe with magical potential.Under his tutelage, Nina''s talent blossoms, as does her love for him. But great romances are for fairy-tales, and Hector is hiding a secret bitter truth from Nina - and himself - that threatens their courtship.The Beautiful Ones is a sweeping tale of love and betrayal and the struggle between conformity and passion.Discover why readers love The Beaut

You can do it too with Ladybird's It's Time to...!This interactive novelty board book is filled with sliders and flaps to help little ones mimic the adult behaviours they see every day. In It's Time to... Fix It! the moving sliders and transformative flaps on every page allow toddlers to perform the tasks in the simple text - they can hammer nails, drill holes and even repair garden sheds!The It's Time to...series:Boosts motor skillsEncourages imaginative playRecommended for children aged 3+Also available:It's Time to... Clean Up!

* Instant New York Times and USA Today bestseller *What happens when America's First Son falls in love with the Prince of Wales?Alex Claremont-Diaz is handsome, charismatic, a genius – pure millennial-marketing gold for the White House ever since his mother first became President of the United States. There’s only one problem. When the tabloids get hold of a photo involving an altercation between Alex and Prince Henry, U.S./British relations take a turn for the worse.Heads of family and state devise a plan for damage control: stage a truce. But what begins as a fake, Instagrammable friendship grows deeper, and more dangerous, than either Alex or Henry could have imagined. Soon they are hurtling into a secret romance that could derail the presidential campaign and upend two nations.'Red, White & Royal Blue is outrageously fun. It is romantic, sexy, witty, and thrilling. I loved every second.' - Taylor Jenkins Reid, New York Times bestselling author of Daisy Jones & The Six

Clamber up branches and peek through leaves to discover the wonderful jobs trees do, from cleaning our air and keeping us cool to protecting our planet and providing homes for all kinds of wildlife.

Emile is not shy―he is quiet. Emile may seem timid and shy on the outside, but on the inside he is bustling with imagination. While grownups and even other kids may see Emile as the shy kid who doesn’t raise his hand in class, we know that Emile is actually a high-seas adventurer, a daring explorer, and a friend to wild beasts. This story honors and encourages the beauty of knowing ourselves for exactly who we are. Emile’s world shows us that the mind of a quiet child can be as rich, expansive, and bold as that of any other (more extroverted) child.

A Netflix Original series!The New York Times, USA Today, and Wall Street Journal bestselling Last Kids on Earth series presents Quint Baker and Dirk Savage in their own epic adventure! June Del Toro went on a wild flight in a super-rad solo episode; now get ready for the dynamic duo: it's Quint and Dirk! Picking up after the events of The Last Kids on Earth and the Doomsday Race, adventure abounds as the best buddies encounter new monsters and embark on a postapocalyptic quest for the ages. You won't want to miss this essential Last Kids story that includes crucial details about the next book in the series!

Awesome adventures inspired by the best-selling Pokémon Sword & Shield video games set in the wild Galar region!Casey Shield, a hacker who invented the Dynamax Simulator, and Henry Sword, a boy who repairs gear for Pokémon, both dream of entering the Galar region's Gym battles. For Casey, it's a chance to reunite with her lost Pokémon. For Henry, it's an opportunity to search for the legendary Rusted Sword and Rusted Shield.Henry and Casey participate in the Gym Challenge! Henry’s skills as a Pokémon Gear Artisan are put to the test as he battles multiple Gym Leaders! Meanwhile, Casey continues to search for her long-lost Pokémon.Are Henry and Casey up to their new tasks?

Martha LOVES drawing maps. She creates maps of everything-even her thoughts and dreams! Let Martha be your guide as she welcomes you to her world. Starting in outer space, we zoom in page by page, to our planet, Martha's community, and beyond to her dreams of a future where ANYTHING is possible.Full of quirky details and fun non-fiction labels that children will love poring over-they will discover cool new facts with every reading. Each map is imbued with anirresistible sense of excitement about the world and optimism for the future.

The wriggly, squiggly superhero is now available on CD with a whole host of fabulous friends! Join Superworm, Stick Man, The Highway Rat, Tabby McTat and The Ugly Five in these five fantastic stories and songs by the superstar children's book pairing, Julia Donaldson and Axel Scheffler, in a gorgeous box set. This CD box-set is perfect for entertaining children on long car journeys, or for simply sharing stories at any time of the day. Five favourite stories from the superstar creators of The Gruffalo and Zog Each CD includes the full story, a listening game and song, all acted superbly by the incomparable Oscar-nominated Imelda Staunton.The set includes Superworm, Stick Man, The Highway Rat, The Ugly Five and Tabby McTat Superworm is going to be an on-screen adventure starring Matt Smith and Olivia Coleman Christmas 2021 Celebrating 10 years of Superworm in 2022本盒裝CD對應以下五本繪本Superworm 9781407170725Stick Man 9780702319273The Highway Rat 9781407170732Tabby McTat 9781407170701The Ug

A new title in the popular First Experience series, celebrating the wonders of nature and exploring the outdoors. Join Maisy and her friends on an adventure as they look out for birds, bees, minibeasts and more!Maisy and her friends are heading to their local park for a nature walk! Join in on this adventure as they have fun looking out for birds, bees, minibeasts and more! There is so much to do: a visit to the pond, a spot of birdwatching, a wander through the wildflower garden and even building a den!The perfect book for little ones who love the outdoors.

From the author of The Girl Who Stole an Elephant comes another brilliant escapade. The third thrilling adventure set in a fictional Sri Lanka is jam-packed with peril, poachers and an endangered leopard!Selvi is a wild child who loves climbing in the beautiful mountains behind her home. She is often joined by Lokka, a leopard with a beautiful coat and huge golden eyes.When hunters come for Lokka, Selvi is determined to fight. But what can she do against such powerful enemies? Turn to her friends, of course! Now they just need the perfect plan... Cover and inside illustrations by David Dean.

The comics in this book were previously published as Looshkin and Looshkin: The Big Number 2. Looshkin might look like a cute blue cat, but you've never met a cat like Looshkin before. If you look away for just a moment, your house will be full of foamy bubbles, there are pigs on your roof, and a portal to a hell-dimension has opened in your loft.And there are bees, everywhere!Life is never going to be boring while Looshkin is around, but one thing is for sure - it will be very, very funny!

From the New York Times bestselling author of Front Desk comes a poignant middle grade novel about courage, hope, and resilience as an Asian American boy fights to keep his family together and stand up to racism during the initial outbreak of the coronavirus. When the coronavirus hits Hong Kong, ten-year-old Knox Wei-Evans's mom makes the last-minute decision to move him and his siblings back to California, where they think they will be safe. Suddenly, Knox has two days to prepare for an international move--and for leaving his dad, who has to stay for work. At his new school in California, Knox struggles with being the new kid. His classmates think that because he's from Asia, he must have brought over the virus. At home, Mom just got fired and is panicking over the loss of health insurance, and Dad doesn't even know when he'll see them again, since the flights have been cancelled. And everyone struggles with Knox's blurting-things-out problem. As racism skyrockets during COVID-19, Kno

19世紀末，信仰與科學的衝突已張開血盆大口。拿下多項大獎的瑰麗小說即將登上小螢幕。甫搬至艾塞克斯的業餘博物學者和虔誠的教區牧師出於不同的信念，一心找出傳說中嗜人巨蛇的真相，而過程與真相又會將分別代表理性思維和信仰力量的兩人推往何處？'A blissful novel of unapologetic appetites ... here is a writer who understands life' JESSIE BURTON, author of THE MINIATURISTLondon, 1893. When Cora Seaborne's controlling husband dies, she steps into her new life as a widow with as much relief as sadness.Along with her son Francis - a curious, obsessive boy - she leaves town for Essex, in the hope that fresh air and open space will provide refuge. On arrival, rumours reach them that the mythical Essex Serpent, once said to roam the marshes claiming lives, has returned to the coastal parish of Aldwinter. Cora, a keen amateur naturalist with no patience for superstition, is enthralled, convinced that what the local people think is a magical beast may be a yet-undiscovered species.As she sets out on its trail, she is introduced to William Ransome, Aldwinter's vicar, who is also deeply suspicious of the rumours, but thinks

繼電影《魔戒三部曲》之後，亞馬遜重啟開拍全新影集。透過《小人物大夢想》繪本認識這部奇幻史詩的作者J. R. R.托爾金。從南非搬到英國大城市，受困於水泥叢林進而使想像力的種子萌芽，成為當代奇幻文壇巨擘。In this book from the highly acclaimed Little People, BIG DREAMS series, discover the incredible life of J. R. R. Tolkien, author and forefather of the fantasy genre. Little John experienced lots of change in his life from a young age. Moving from South Africa to a big city in England, he longed for the nature he grew up around. After the death of both of his parents, John found comfort in telling stories and building imaginary worlds with his friends. And he continued to tell stories for the rest of his life, creating epic tales of hobbits, dwarves, elves, and wizards as J. R. R. Tolkien. This inspiring book features stylish and quirky illustrations and extra facts at the back, including a biographical timeline with historical photos and a detailed profile of the writer's life. Little People, BIG DREAMS is a bestselling series of books and educational games that explore the lives of ou

From Gail Gibbons, the #1 author of science books for kids, learn everything to know about the iconic ladybug in this new edition updated with the latest facts from experts.This new and updated edition presents the latest scientific information on ladybugs in language accessible for young readers through bright illustrations, informative diagrams, and easy-to-read text. Kids will rethink what they know about the little red bug while being introduced to biology vocabulary and environmentalism.See the ladybug grow from an egg to an adult. Explore just some of the different colorings and markings from the thousands of ladybug varieties around the world. Learn about the ladybug’s behavior, habitat, and how they protect crops by eating harmful insects. The final page includes quick ladybug facts and resources for further learning.Author of over 120 nonfiction books for kids, including the beloved Monarch Butterfly and From Seed to Plant, and with hundreds of thousands of books sold, Gail Gi

Rick Riordan出版品牌暢銷系列《般度戰士》融合印度神話的奇幻冒險迎來最終五部曲。Aru與般度戰士們能否在下一個滿月前突破一個個驚險試煉，成功擊敗蟄伏魔王，阻止魔王獲得永生？Best-selling author Rick Riordan presents the breathtaking conclusion to Roshani Chokshi's New York Times best-selling Pandava quintet. Will the Sleeper gain immortality or be stopped once and for all?*Chokshi spins a fantastical narrative that seamlessly intertwines Hindu cosmology and folklore, feminism, and witty dialogue for an uproarious novel.--Kirkus Reviews (starred review of Aru Shah and the End of Time) The Pandavas only have until the next full moon to stop the Sleeper from gaining access to the nectar of immortality, which will grant him infinite power. But how can Aru, Mini, and Brynne hope to defeat him without their celestial weapons? The Sleeper and his army are already plundering the labyrinth, and the sisters can't even enter. Their quest to get in will have them calling on old friends, meeting new allies, and facing fearsome trials, like...performing in a rock concert? When the

From beloved heritage brand Pendleton comes this collection of delicious, family-friendly recipes to elevate any outdoor excursion.Brimming with Pendleton's signature patterns and timeless wisdom, this handsome book is a wonderful companion for families and friends who love spending time in nature. Discover expert tips on how to prep ingredients ahead of time, easily transport supplies, and cook over an open fire or camping stove. Come together around the campfire with more than 30 delicious recipes for outdoor adventures, including:• Skillet Hash with Sausage and Eggs• Campfire Grilled Pizza• Charred Corn Salad with Spices• Pendleton Campfire Popcorn• Giant Snickerdoodle S'mores• And so much more.BELOVED BRAND: For over 150 years, Pendleton Woolen Mills has been one of America's most beloved heritage brands. Known for their woolen blankets and clothing, they are celebrated by people who love the great outdoors.FAMILY FUN: These family-friendly recipes are the perfect way to bring ever

Arlo & Pips #1: King of the BirdsArlo & Pips #2: Join the Crow Crowd!Arlo & Pips #3: New Kids in the FlockIn the grand finale of Elise Gravel's graphic chapter book series that Kirkus called a charming treasure, Arlo the crow is going to be a dad! The third book in this quirky series from acclaimed author Elise Gravel is perfect for fans of Narwhal and Jelly and Castronauts.Parenting is tough--even for a genius like Arlo--but luckily he isn't alone: his partner Marla and Uncle Pips are there to help! From building a new nest and taking care of Marla while she incubates the eggs to teaching the chicks everything they need to know, Arlo has his wings full. Join Arlo, Pips, Marla, and the new chicks as they explore this next big chapter in their lives.Snappy dialogue paired with a limited color scheme that's perfect for newly independent readers, this final story has tons of amazing kid-pleasing bird facts.More praise for Arlo & Pips #1: King of the Crows: A New York Publi