Chris Grabenstein
Chris Grabenstein is an American author of thriller and mystery novels as well as young adult novels. He writes several series, including the John Ceepak series and the Haunted Mysteries series for young adults. Chris is a frequent collaborator with James Patterson , who discovered his writing talent as Creative Director at J. Walter Thompson Advertising. Chris has worked with Patterson on the Daniel X, I Funny, Treasure Hunters and House of Robots series. In addition to being a novelist, he also has screenwriting credits to his name for the CBS television movie The Christmas Gift and The Muppets.
