Everyone Poops is the title of US editions of the English translation (by Amanda Mayer Stinchecum) of Minna Unchi (みんなうんち), a Japanese children's book written and illustrated by the prolific children's author Tarō Gomi and first published in Japan by Fukuinkan Shoten in 1977 within the series Kagaku no Tomo Kessaku-shū (かがくのとも傑作集, i.e. Masterpieces of the friends of science).
The English translation has been published in the US by Kane/Miller, within the series "My Body Science", and by Scholastic. In Britain, the book is titled Everybody Poos and is published by Frances Lincoln.
The book tells children that all animals defecate and that they have always done so.
The book has also been translated into Spanish and Thai.
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