The Ghost Riddle (Secrets of the Library... by Michael Dahl Paperback / softback

Doom School (Secrets of the Library of D... by Michael Dahl Paperback / softback

Michael Dahl Dead Letters (Paperback) Secrets of the Library of Doom

The Grim Reader (Secrets of the Library ... by Michael Dahl Paperback / softback

Don't Read This! (Secrets of the Library... by Michael Dahl Paperback / softback

Michael Dahl Dead Letters (Paperback) Secrets of the Library of Doom (UK IMPORT)

Zombie in the Library (Return to the Lib... by Michael Dahl Paperback / softback

Invisible Ink (Secrets of the Library of... by Michael Dahl Paperback / softback