Other editions of book I Wonder Why Zippers Have Teeth and Other Questions About Inventions

"What did people use before they had refrigerators?" and "Where do inventors get their ideas?" are some of the questions answered in this intriguing look at inventions.

IWonder Why books reveals unexpected and entertaining answers to all those tricky questions about how our world works. Filled with information and quirky facts to keep young minds buzzing, these unique books will amuse, satisfy, and inspire!

Browsers and young students alike will enjoy these lively question and answer books with their unique mix of realistic illustration and engaging cartoons. The enticing questions will amaze, amuse and inspire, while the highly visual format encourages kids to keep reading.

Answers a wide variety of questions about the invention of common household items

Answers a wide variety of questions about the invention of common household items

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