Security for Wireless Sensor Networks Using Identity-based Cryptography

Why is the ocean important? Why do people study it? Find out about protecting the ocean and its plants and animals in this BBC Earth reader. The Ladybird Do You Know? graded readers series comprises a range of non-fiction STEM titles for young learners of English. Covering a variety of topics, Do You Know? adopts an enquiry-based approach, and includes motivating video content, project work and critical thinking activities to develop students' linguistic and twenty-first century skills.Recommended for children aged 7+, there are four levels progressing from CEFR level Pre-A1 to level A2. Each reader is accompanied by online video content, audio, video and comprehension activities, and suggestions for project work. Protecting the Ocean, a Level 4 Reader, is A2 in the CEFR framework and supports YLE Flyers exams.The longer text is made up of sentences with up to three clauses, more complex past and future tense structures, modal verbs and a wider variety of conjunctions.

Learn about shapes and colours with Igglepiggle, Upsy Daisy, Makka Pakka and their friends in the Night Garden. Have fun completing each activity using the big stickers to decorate each colourful illu

A storybook based on an episode of the BBC's preschool programme, "In the Night Garden".

Learn how to count to ten with Igglepiggle, Upsy Daisy and their friends in the Night Garden. Have fun completing each activity using the big stickers to decorate each colourful illustrated scene. The

Based on the classic fairy tale. A prince wants to marry a real princess, so the queen devises a true test based on one pea and a lot of mattresses! Read it yourself with Ladybird is one of Ladybird's

Based on the classic fairy tale. A prince wants to marry a real princess, so the queen devises a true test based on one pea and a lot of mattresses! Read it yourself with Ladybird is one of Ladybird's

Come and explore the colourful world of Hello Kitty in this lovely sticker book. Have fun completing the scenes using the big stickers and learn to count along with her! The perfect book to keep toddl

The Ladybird Picture Dictionary is a great way to support children beginning to read and write in English. Children can use the dictionary to check their spelling and also to gain confidence in using

Do You Know? is a series of levelled non-fiction books featuring video content, project work and critical-thinking activities to motivate and engage young learners. Covering a range of STEM topics from nocturnal animals to climate change, Do You Know? takes an enquiry-based approach, developing children's language, communication and investigation skills.Recommended for children aged 7+, there are four levels progressing from CEFR level Pre-A1 to level A2. Each reader is accompanied by online video content, audio, video and comprehension activities, and suggestions for project work.This Level 4 Reader is A2 in the CEFR framework and supports YLE Flyers exams. The longer text is made up of sentences with up to three clauses, more complex past and future tense structures, modal verbs and a wider variety of conjunctions.9780241355800 Level 4: Animals Helping Animals9780241382899 Level 4: Changing Weather9780241355794 Level 4: Fast and Slow9780241503430 Level 4: High Spe

Based on the classic story by Lewis Carroll. Alice is feeling bored when she finds herself following a large white rabbit down a rabbit hole. Then things get even stranger... Read it yourself with Lad

Mowgli the man cub is growing up in the jungle. He has many exciting adventures with his animal friends Baloo the bear and Bagheera the panther. Based on the classic story by Rudyard Kipling. Read it

Aladdin is a poor boy who lives with his mother. What happens when he meets a magician and finds a magical lamp? Based on the traditional Arabian folk tale. Read it yourself with Ladybird is one of La

Based on the classic story by Lewis Carroll. Alice is feeling bored when she finds herself following a large white rabbit down a rabbit hole. Then things get even stranger... Read it yourself with Lad

An enchanting storybook based on an episode of the BBC's new landmark preschool programme, In the Night Garden. Sure to delight little fans of Makka Pakka, Upsy Daisy, Iggle Piggle and the Tomliboos!

It's one of the movie events of 2014, and you can read and play along with this official LEGO sticker book. Includes activities, puzzles and loads of great stickers, all based around the eagerly-await

It's one of the movie events of 2014, and you can read and play along with this activity book and minifigure. Includes stories, fun puzzles and your very own LEGO toy, all based on the eagerly-awaited

Based on the classic fairy tale. A little girl is given a magic porridge pot, but one day when her mother forgets to stop it cooking, the whole town is soon filled with porridge! Read it yourself with

Based on the classic fairy tale. The three billy goats Gruff want to cross the bridge to reach the grass on the other side, but first they have to get past the hungry troll! Read it yourself with Lady

Based on the classic fairy tale. The vain emperor has some beautiful new clothes made that only clever people can see - or can they? Read it yourself with Ladybird is one of Ladybird's best-selling se

Based on the classic fairy tale. When an old man plants some turnip seeds, one of the turnips grows ENORMOUS! How will he ever get it out of the ground? Read it yourself with Ladybird is one of Ladybi

Based on the classic fairy tale. Town Mouse and Country Mouse lead very different lives and when they visit each other they find everything very strange! Read it yourself with Ladybird is one of Ladyb

Based on the classic fairy tale. When Hansel and Gretel get left in the woods, they are captured by a witch who lives in a house made from gingerbread and sweets. How will they ever escape? Read it y

Based on the classic fairy tale. The ugly duckling doesn't fit in and is chased away by everyone he meets. Will he ever find some true friends? Read it yourself with Ladybird is one of Ladybird's best

Based on the classic fairy tale. Cinderella's dream of going to the prince's ball comes true when her fairy godmother appears. But she'd better be home by midnight... Read it yourself with Ladybird is

Based on the classic fairy tale. Little Red Hen wants help planting and cutting the wheat, grinding the flour and making the bread, but the cat, the rat and the dog refuse to join in - until the bread

Based on the classic story by Johanna Spyri. Heidi loves living in the mountains with her grandfather and her friend Peter, and is homesick when she moves to Frankfurt. Will she make it back to her be

Based on the classic fairy tale. Little Red Hen wants help planting and cutting the wheat, grinding the flour and making the bread, but the cat, the rat and the dog refuse to join in - until the bread

Based on the classic fairy tale. A little girl is given a magic porridge pot, but one day when her mother forgets to stop it cooking, the whole town is soon filled with porridge! Read it yourself with

Based on the classic fairy tale. The three billy goats Gruff want to cross the bridge to reach the grass on the other side, but first they have to get past the hungry troll! Read it yourself with Lady

Based on the classic fairy tale. Town Mouse and Country Mouse lead very different lives and when they visit each other they find everything very strange! Read it yourself with Ladybird is one of Ladyb

Based on the classic story by Johanna Spyri. Heidi loves living in the mountains with her grandfather and her friend Peter, and is homesick when she moves to Frankfurt. Will she make it back to her be

Based on the classic tale by Beatrix Potter. Naughty little Peter Rabbit goes into Mr MacGregor's garden to eat his radishes, but then the farmer spots him! How will Peter Rabbit get away? Read it you

Based on the classic fairy tale. When Hansel and Gretel get left in the woods, they are captured by a witch who lives in a house made from gingerbread and sweets. How will they ever escape? Read it yo

Based on the classic fairy tale. The vain emperor has some beautiful new clothes made that only clever people can see - or can they? Read it yourself with Ladybird is one of Ladybird's best-selling se

Based on the classic fairy tale. When an old man plants some turnip seeds, one of the turnips grows ENORMOUS! How will he ever get it out of the ground? Read it yourself with Ladybird is one of Ladybi

Based on the classic fairy tale. The ugly duckling doesn't fit in and is chased away by everyone he meets. Will he ever find some true friends? Read it yourself with Ladybird is one of Ladybird's best

Based on the classic fairy tale. Cinderella's dream of going to the prince's ball comes true when her fairy godmother appears. But she'd better be home by midnight... Read it yourself with Ladybird is

Based on the classic tale by Beatrix Potter. Naughty little Peter Rabbit goes into Mr MacGregor's garden to eat his radishes, but then the farmer spots him! How will Peter Rabbit get away? Read it you

This Read it yourself Level 1 activity book is based on Ladybird's best-selling Read it yourself series, a set of traditional tales written in a simple way to build confidence in reading.The activity

This Read it yourself Level 2 activity book is based on Ladybird's best-selling Read it yourself series, a set of traditional tales written in a simple way to build confidence in reading.The activity