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 does the wind blow? How big was the largest snowman ever built? Why do animals sometimes fall out of the sky? Learn the answers to these questions and more in I Wonder Why: The Wind Blows , a fascinating question-and-answer book all about the natural world. Award-winning children's writer Anita Ganeri makes learning fun with her accessible and entertaining style, and information is presented in bite-sized nuggets, making it ideal for dipping in and out. Bright illustrations by Marie-Eve Tremblay bring the natural wonders of our planet to life, from erupting volcanoes to hot sandy deserts.