The untold, true story of the world's most villainous dummy! In the Goosebumps universe, there is no villain more feared than Slappy. Endowed by his magician creator with devious powers, Slappy has only one mission in his tiny, deranged mind: Do evil every day, all day. But he may have met his match in the Carlton family. Each of Slappy's attempts to ruin their lives ends in disaster, and the dummy starts to panic. Will Slappy's scariest day yet bring an end to his reign of terror?