One night, the bulletin board on the wall above Stanley's bed comes loose and falls right on top of Stanley. The next morning, Stanley Lambchop wakes up flat. Not just a little flat...really, REALLY flat! At first it's not so bad. He can slide under locked doors, roll up like a mat, become a trampoline. His friends fly him like a kite. And Stanley's the best in his class at hide-and-seek: He just turns to the side and virtually disappears. But he can't stay flat forever - someone has to do something. And that someone in Stanley! Stanley puts himself in a big envelope and travels the world - a human letter.