The bestselling I Wonder Why series has the answers to all the questions you've ever wanted to ask about the natural world, history, space, and more! Why do caterpillars change into butterflies? Which beetle fires a spray gun? How do glow-worms glow? With all-new illustrations to appeal to today's generation of knowledge-hungry children, in this fascinating Q&A book children will find out the answers to these and many more questions about creepy-crawlies. Fresh, colorful new illustrations pair with the tried and trusted question-and-answer format to create an essential resource for home, schools, and libraries. The information is presented in bite-sized nuggets, making it ideal for reading aloud and perfect for stimulating discussion between child and parent or educator.