I WONDER WHY – ULTIMATE COLLECTION Twenty amazing Q&A books in a slipcase (and with QR code audio access for each book) A collection of twenty titles from our perennially popular I Wonder Why series, with its winning question and answer format and cased in attractive slipcase This highly popular and long-running series explores the questions that young readers ask about the world around them in an unrivalled child-friendly style. The conversational format is perfect for delivering solid information in a natural, amusing and imaginative way. My Tummy Rumbles and Other Questions About My Body Triceratops Had Horns and Other Questions About Dinosaurs Volcanoes Blow Their Tops and Other Questions About Natural Disasters Snakes Shed Skin and Other Questions About Reptiles Stars Twinkle and Other Questions About Space The Wind Blows and Other Questions About Our Planet Pyramids Were Built and Other Questions About Ancient Egypt The Sea is Salty and Other Questions About the Oceans The Sun Rises and Other Questions About Time and Seasons Kangaroos Have Pouches and Other Questions About Baby Animals Soap Makes Bubbles and Other Questions About Science Spiders Spin Web and Other Questions About Creepy-Crawlies Planes Have Wings and Other Questions About Transport There’s a Hole in the Sky and Other Questions About the Environment Leaves Change Colour and Other Questions About Plants Columbus Crossed The Ocean and Other Questions About Explorers Zips Have Teeth and Other Questions About Inventions Caterpillars Eat So Much and Other Questions About Life Cycles Camels Have Humps and Other Questions About Animals Mice are Musical and Other Questions About Music