The man in the photo is so blurry it’s impossible to make out what he really looks like. And that was before he was run over by a steamroller! His name was Lenny Smile and he ran a children’s charity called Dream Time, financed by millionaire author Joe Carter.

Now Carter wants to know just what happened to Smile—and to the money. Unfortunately for him, he’s hired the Diamond Brothers—Tim, the world’s worst private detective, and his wise-cracking younger brother Nick—to solve the mystery!