Chris Grabenstein

Authors Unlimited 5 author Chris Grabenstein

Chris Grabenstein is the author of the New York Times bestsellers THE ISLAND OF DR. LIBRIS and ESCAPE FROM MR. LEMONCELLO’S LIBRARY as well as the co-author (with James Patterson) of the #1 Bestselling series I FUNNY, HOUSE OF ROBOTS, and TREASURE HUNTERS.

ESCAPE FROM MR. LEMONCELLO’S LIBRARY was a 2015 Battle of the Books title.

Winner of all sorts of awards, Chris writes fast-paced and fun page-turners for children and adults. He’s also a playwright and screenwriter not to mention a former advertising executive and improvisational comedian. Sometimes he sleeps.

The Haunted Mysteries

Riley Mack


With James Patterson