Titles in this set:  
 
 1. My Tummy Rumbles and Other Questions About My Body 
 2. Triceratops Had Horns and Other Questions About Dinosaurs 
 3. Volcanoes Blow Their Tops and Other Questions About Natural Disasters 
 4. Snakes Shed Skin and Other Questions About Reptiles 
 5. Stars Twinkle and Other Questions About Space 
 6. The Wind Blows and Other Questions About Our Planet 
 7. Pyramids Were Built and Other Questions About Ancient Egypt 
 8. The Sea is Salty and Other Questions About the Oceans 
 9. The Sun Rises and Other Questions About Time and Seasons 
 10. Kangaroos Have Pouches and Other Questions About Baby Animals 
 11. Soap Makes Bubbles and Other Questions About Science 
 12. Spiders Spin Web and Other Questions About Creepy-Crawlies 
 13. Planes Have Wings and Other Questions About Transport 
 14. There's a Hole in the Sky and Other Questions About the Environment 
 15. Leaves Change Colour and Other Questions About Plants 
 16. Columbus Crossed The Ocean and Other Questions About Explorers 
 17. Zips Have Teeth and Other Questions About Inventions 
 18. Caterpillars Eat So Much and Other Questions About Life Cycles 
 19. Camels Have Humps and Other Questions About Animals 
 20. Mice are Musical and Other Questions About Music 
 
  Description:  
 
 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.