Disgusting Digestion is full of the stinkiest, smelliest and most revolting facts about the human digestive system. Readers can find out which people used to ea

The irresistible, ever-curious, and always bestselling Roach returns with a new adventure to the invisible realm that people carry around inside.

Killer Energy is full of the most crazy, gory and horrible facts about energy! Find out all the gruesome details of why space loos spray out frozen pee and whic

This title addresses how we need food to fuel our bodies. It teaches students what happens during the digestive process. How the saliva starts the process and h

Forget fiendish formulas and take a look at bubbling mixtures, poisonous potions, bangs and blasts. Discover what substances lurk in your dinner, the sickening