They lurk in the shadows, invisible to the powerful and arrogant eyes of man. Nothing is too small to escape their notice. Silently, they lay their intricate, complex plans. Carefully, they place their rubber-band catapults. Tonight, the cheese will be theirs! The first BESM supplement to be inspired by American animation and comics, Big Ears, Small Mouse takes players into the strange but familiar world of Mousetropolis, with talking rodents, bugs, and other tiny animals. Beware the cat.