Grossology is a term invented by American author/illustrator team Sylvia Branzei and Jack Keely to describe the science of really gross things. This book explai

Amusingly illustrated book explains the scientific facts of microorganisms in the home.

For use in schools and libraries only. Provides readers with an informative guide to a diverse array of unpleasant bodily functions and happenings, such as cons

Fun, fun and more fun oozes from the covers of "That's Gross!", a perfect book for reading by torchlight under the covers or bathroom reader. Just don't tell th

Provides tools and instructions for making slime, gloop, ooze, and other products throuch chemistry experiments.