feces

An illustrated discussion of the excretory system that discusses what it is, describes its parts and their functions, explains how it works, and provides information on related problems and staying healthy.

A compendium of fascinating, weird, and gross facts about excrement.

A compendium of fascinating, weird, and gross facts about excrement.

Presents a study of poop in relation to different kinds of animals, its various shapes and sizes, what it's for, where it goes, and what scientists can learn from it.

Describes ways that societies all over the world deal--and do not deal--with human waste, and covers the sewers of Paris, London, and New York City; examines the public toilets in India, China's biogas digesters, third world sanitation movements, the U.S. military laser elimination methods, and more.