All things disgusting are featured in this weird and wonderful exploration of the grossest of the gross in the animal kingdom. (Barf bag not included!)Snot. Vomit. Spit. Poop. Everyone knows these are gross, right? Well, for some animals, they're crucial ingredients for survival! This book describes more than 30 of these animals --- the grossest of the gross --- and explores how their habits, as revolting as they might be, help them thrive.