"Describes the gross qualities of blood, and how it works to benefit a person's health"--Provided by publisher.

The Wee Book of Pee

by Kelly Barnhill

Published 1 July 2009
"Describes the gross qualities of urine, and how it works to benefit a person's health"--Provided by publisher.

"Describes the gross qualities of sweat, and how it works to benefit a person's health"--Provided by publisher.