Linear Programming and Algorithms for Communication Networks

Ladybird Do You Know? is a STEM-based ELT graded reading series recommended for children aged 5+ who are learning English as a foreign or second language.These levelled non-fiction books feature video content, project work and critical-thinking activities. Each book asks a range of BIG questions on STEM topics from nocturnal animals to building bridges, developing children's language, communication and investigation skills.The four levels progress from CEFR Pre-A1 to A2.Visit the Ladybird Education website for online video content, audio, comprehension activities, and suggestions for project work.Planets, a Level 1 Reader, is Pre-A1 in the CEFR framework and supports YLE Starters exams. Short sentences contain a maximum of two clauses, using the present tense and some simple adjectives.What is a planet? What do we know about Mars? What are Saturn's rings made of? Find out more about the planets of our solar system.

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

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 2 Reader is A1 in the CEFR framework and supports YLE Movers exams. Short sentences contain a maximum of two clauses, introducing the past tense and some simple adverbs.9780241382769 Level 2: Animal Homes9780241382875 Level 2: Animals and the Weather9780241355824 Level 2: Animals at Night9780241503393 Level 2: At Sea9780241382813 Level 2: Coral Reefs9780241503409 Level

Do You Know? is a series of levelled non-fiction books featuring video content, project work and critical-thinking activities designed to motivate and engage. Covering a range of STEM topics, Do You Know? takes an enquiry-based approach, developing children's 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 audio, video and comprehension activities, and suggestions for project work.This Level 1 Reader is Pre-A1 in the CEFR framework and supports YLE Starters exams. Short sentences contain a maximum of two clauses, using the present tense and some simple adjectives.9780241382837 Level 1: Animal Families9780241382783 Level 1: Animal Sounds9780241355831 Level 1: Animals and Their Bodies9780241503379 Level 1: Big Bridges9780241382806 Level 1: Birds and Insects9780241382790 Level 1: Jungles9780241503386 Level 1: Tall Towers

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.9780241382837 Level 1: Animal Families9780241382783 Level 1: Animal Sounds9780241355831 Level 1: Animals and Their Bodies9780241382806 Level 1: Birds and Insects9780241382790 Level 1: Jungles9780241382769 Level 2: Animal Homes9780241382875 Level 2: Animals and the Weather9780241355824 Level 2: Animals at Night9780241382813 Level 2: Coral Reefs9780241355787 Level 2: Underwater Predators9780241355770 Level 3: Animal Senses9780241382868 Level 3: Clever Prey9780241382851 Level 3: Mammals9780241382882 Level 3: Reptiles9780241355817 Level 3: Underwater Forests978024135

Share a hug and a kiss with your baby with this large touch-and-feel playbook!This sturdy board book is full of touch-and-feel patches to explore and ends with a peekaboo mirror finale, to engage your baby. With bright colours and adorable pictures this is the perfect first book for babies to encourage their sensory development. Illustrated by Lemon Ribbon StudioFrom tummy time to bath time, the bestselling Baby Touch series contains the perfect first books to support key milestones.Also available:I Love YouFarm AnimalsPeekabooPlaybookRescue VehiclesHide and SeekRainbowAnimalsVehiclesFairy TalesNursery RhymesSeasonsTummy TimeGet DressedBusy Day

Introduce your baby to all kinds of toys with this gorgeous black-and-white book!Designed to develop babies' eyesight from birth, this high-contrast book with clearly-defined images and simple text will engage your child's senses as they discover all their favourite toys. Spot the stacking rings, stripy ball and cuddly teddy bear - and look out for the surprise touch-and-feel on the final page!This black-and-white book:Stimulates visionEncourages sensory developmentRecommended for children aged 0+Illustrated by Lemon Ribbon StudioAlso available:Baby Touch: Faces: a black-and-white bookBaby Touch: Animals: a black-and-white bookBaby Touch: Vehicles: a black-and-white book Baby Touch: My First Book: a black-and-white cloth bookBaby Touch: A black-and-white buggy book

Who can you spot hiding behind each flap? Play peekaboo with your baby and help them lift the flaps to spot the different animals. This bright board book is full of textured patches to touch, feel and explore, with a mirror finale!This is the perfect first book for sharing together with your baby or toddler. The touch-and-feel patches, large flaps and high-contrast colours encourage interaction and stimulate a baby's senses.Illustrated by Lemon Ribbon StudioThis touch-and-feel playbook:Encourages sensory developmentBoosts motor skillsRecommended for children aged 0+From tummy time to bath time, the bestselling Baby Touch series contains the perfect first books to support key milestones. Also available:Baby Touch: PlaybookBaby Touch: PeekabooBaby Touch: VehiclesBaby Touch: AnimalsBaby Touch: Tummy TimeBaby Touch: Night-NightBaby Touch: Busy DayBaby Touch: Get DressedBaby Touch: SeasonsBaby Touch: FoodBaby Touch: ABCBaby Touch: 123Baby Touch: Fairy TalesBaby Touch: I Love YouBaby Touch:

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.This Level 3 Reader is A1+ in the CEFR framework and supports YLE Movers exams. The longer text is made up of sentences with up to three clauses, some expression of future meaning, comparisons, contractions and relative clauses.9780241355770 Level 3: Animal Senses9780241382868 Level 3: Clever Prey9780241503416 Level 3: Engineering in History9780241382851 Level 3: Mammals9780241382882 Level

Introduce your baby to their first letters with this large touch-and-feel playbook. Say and touch the alphabet, from A for aeroplane to Z for zebra. With textured patches to touch, feel and explore, this bright and sturdy board book will engage young children from birth upwards.High-contrast colours and touch-and-feels stimulate a baby's senses, while encouraging interaction and play. A perfect first alphabet book for all babies and toddlers. This touch-and-feel playbook:Encourages sensory developmentBoosts motor skills Recommended for children aged 0+Illustrated by Lemon Ribbon StudioAlso available: Baby Touch: 123Baby Touch: PlaybookBaby Touch: PeekabooBaby Touch: Vehicles Baby Touch: Animals Baby Touch: Tummy TimeBaby Touch: Night NightBaby Touch: Busy DayBaby Touch: Get DressedBaby Touch: Seasons

Explore the farm in this bright, interactive touch-and-feel book for babies. With simple text, bold illustrations and an exciting touch-and-feel on every double page, this playful book engages little

This adorable touch-and-feel book is perfect for sharing with little ones at Eid!With simple text, bright illustrations and an exciting touch-and-feel on every double page, this gorgeous board book he

Introduce your baby to first words with this bright, interactive playbook. Name and touch the different foods, from healthy fruit to yummy treats!With textured patches to touch, feel and explore, this bright and sturdy board book with grabbable tabs will engage young children from birth upwards. High-contrast colours and touch-and-feels stimulate a baby's senses, while encouraging interaction and play.A perfect first words book for all babies and toddlers. Sensory developmentBoosts motor skills Recommended for children aged 0+Illustrated by Lemon Ribbon StudioAlso available: Baby Touch: PlaybookBaby Touch: PeekabooBaby Touch: Vehicles Baby Touch: Animals Baby Touch: Tummy TimeBaby Touch: Night NightBaby Touch: Busy DayBaby Touch: Get DressedBaby Touch: Seasons

I am planet Earth. I am home to humans, plants and animals. I give them food to eat, water to drink and air to breathe.But I need YOUR help. Please Help Planet Earth is the perfect introduction for to

Change each Magic Window and watch the world transform... Magic Windows is the new novelty non-fiction series from Ladybird Books. Perfect for curious toddlers, this new series explores the wonderful

Change each Magic Window and watch the world transform... Magic Windows is the new novelty non-fiction series from Ladybird Books. Perfect for curious toddlers, this new series explores the wonderful

A bright and interactive pull-and-slide flap book, ideal for babies and toddlers. Little Bear is very good at hiding and Mama Bear needs your help to find him! Join Mama Bear on her search through t

A bright and interactive pull-and-slide flap book, ideal for babies and toddlers. Little Chick is very good at hiding and Papa Rooster needs your help to find her! Join Papa Rooster on his search th

This adorable touch-and-feel book is perfect for sharing with little ones at Easter!With simple text, bright illustrations and an exciting touch-and-feel on every double page, this gorgeous board book

The perfect gift for a new mum on Mother's Day!With bright, high-contrast colours and exciting touch-and-feels, Baby Touch: Hello Mummy is perfect for sharing and will help to engage your baby's sense

Ladybird Addition and Subtraction is an entertaining and engaging way for children to learn and practise their basic maths skills, while having some fun along the way! This creative and interactive au

Babies and toddlers will love this interactive touch-and-feel bedtime book from Ladybird's best-selling Baby Touch series. Time for bed, sleepy baby! Say night night to all the animals, plants and veh

Babies will love this interactive touch-and-feel carousel book from Ladybird's best-selling Baby Touch series. This interactive playbook is ideal for using during your baby's daily tummy time. Fold it

What is a jungle? Find out about jungle 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 o

How many ears do animals have? What can animals do with a tail? Find out about animals and their bodies 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. Animals and Their Bodies, a Level 1 Reader, is Pre-A1 in the CEFR framework and supports YLE Starters exams.Short sentences contain a maximum of two clauses, using the present tense and some simple adjectives.

Do all birds fly? What do insects eat? Find out about birds and insects in this BBC Earth reader. The Ladybird Do You Know? graded readers series comprises a range of non-fiction STEM titles for you

The perfect gift for a new dad on Father's Day! Baby Touch: Hello Daddy is a bright, interactive board book from Ladybird's best-selling Baby Touch series. With big touch-and-feel areas on every doubl

Brought to you by Ladybird. A collection of original audio stories for those days when it is too wet for outdoor adventures. Especially written for little dreamers and young explorers who never let

It is washing day for Bear. Masha is dirty-again and again! Bear washes Masha's clothes-again and again. Bear is tired!Ladybird Readers is a graded reading series of traditional tales, popular charact

It is washing day for Bear. Masha is dirty-again and again! Bear washes Masha's clothes-again and again. Bear is tired! Ladybird Readers is a graded reading series of traditional tales, popular charac

"I want to go on a trip," said Moomin. Moomin, Snorkmaiden, Moominmamma, Moominpappa and Little My look for treasure. Ladybird Readers is a graded reading series of traditional tales, popular charac

This magical Ladybird treasury features a wonderful mixture of modern and traditional Christmas carols. Perfect bedtime listening to settle young children excited for Santa's arrival. Specially commis

It's time for bed but Igglepiggle wants to play with his friends! Upsy Daisy, Makka Pakka and the Tombliboos are all getting ready for bedtime . . . Will Igglepiggle ever go to sleep too?Join all of y

Baby Touch: Numbers is part of Ladybird's best-selling Baby Touch series, helping to stimulate a baby's growing mind and senses from birth.Baby Touch: Numbers is a bold, bright board book perfect for

Baby Touch: Words is a bold, bright board book from Ladybird's best-selling Baby Touch series, perfect for little hands to explore. With a big touch-and-feel patch on every double page and bright, hig

Everyone needs water for drinking, washing and many other things. Learn all about the water cycle, water pollution and how to clean the sea. Read it yourself with Ladybird is one of Ladybird's best-se

A balanced diet is good for you. Food gives you energy and helps you to grow strong and healthy! Read it yourself with Ladybird is one of Ladybird's best-selling reading series. For over thirty-five y

How does color help animals? Can you see the animals in their homes? Ladybird Readers is a graded reading series of traditional tales, popular characters, modern stories, and non-fiction, written for

One day, Moomin sees something in the water. It is small and white. It is a beautiful star! Moomin can make a wish. What does he ask for? Ladybird Readers is a graded reading series of traditional tal

Learn to say "Good morning" with Spot. Ladybird Readers is a graded reading series of traditional tales, popular characters, modern stories, and non-fiction, written for young learners of English as a