The Puzzler's Riddles (Secrets of the Li... by Michael Dahl Paperback / softback

The Secrets of Bees: An Insider's Guid... by Michael Weiler Paperback / softback

Bookmarks of Blood (Secrets of the Libra... by Michael Dahl Paperback / softback

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

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

It Came from a Comic (Secrets of the Lib... by Michael Dahl Paperback / softback

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