You sit on it every day, but how much do you really know about your toilet? Discover the history of pooping and peeing in this frankly disgusting nonfiction book.

Authors Katie Nelson and Olivia Meikle have scoured the toilet bowls and sewers of the world to find out how humans have done their business throughout history. It's time to get to the bottom of toilets! Prepare to be revolted by:

. A fossilized Viking turd discovered by archaeologists
. The Mongol catapult used to fling smelly poop at their enemies
. The reason ancient Romans used pee to wash their clothes

Filled with poop facts and vomit-inducing stats, you will also learn how diseases like cholera spread through bad sanitation, why some of the earliest toilets had a tendency to explode, and how medieval kings and queens had special helpers to wipe their bums.

Featuring hilarious illustrations by Ella Kasperowicz, it's a history book like no other!