Kay, Edward. Gross science book

Everything from A to Z about going number one and two. This deep dive into the science and history of poop (and pee) covers everything kids ever wanted to know about their favorite subject. Both expertly researched and hilarious, the book starts with human waste: what's in our poop, how our digestive system works, the history of sanitation. It then moves on to other fascinating topics: why some animals eat poop, poop's potential use as fuel, how astronauts poop in space. Kids will enjoy getting the scoop on poop! Flush with engrossing facts and loaded with silly puns, this book belongs in every bathroom. It's sure to turn the amateur poop afficionado into a pro!

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