Animal Grossology - Grossology Series Author:Sylvia Branzei "Humans make about one liter of saliva a day. A sheep or goat, up to 15 liters per day. Coming in first by producing almost 200 liters of saliva daily; the cow." "If you place a hagfish in a bucket of seawater, this animal drips so much slime that a thick layer of mucus will float on the water after several hours." Just when you thought it was ... more »safe...Animal Grossology's Sylvia Branzei proves she still knows what fascinates and really disgusts kids of all ages. Sure, there's bird poop on the cover. Yeah, there's a lot of information inside that can function as an appetite suppressant. Fortunately, Branzei tosses into this icky concoction a heaping helping of real and memorable scientific facts.« less