The Casey Grimes Series: The Mostly Invisible Boy, Trickery School, Crooked Castle, the Ghost of CreepCat, into Thin Air and the Pencil Killer

Publisher Description

Three full-length novels, a novella and two short stories in one volume! This 6-in-1 collection is packed with adventure, courage, and of course, monsters. The Mostly Invisible Boy (Casey Grimes #1) ...