[v. 1] Case of the great train robbery -- [v. 2] The case of the missing canary -- [v. 3] Case of the missing cat -- [v. 4] Case of the missing chick -- [v. 5] Case of the missing dinosaur -- [v. 6] The ghost in the attic -- [v. 7] The grape jelly mystery -- [v. 8] The great easter egg mystery -- [v. 9] The great Santa Claus mystery -- [v. 10] Harold and the dinosaur mystery -- [v. 11] Mrs. Wigglesworth's secret -- [v. 12] Mystery at the Jellybean factory -- [v. 13] Mystery at the zoo -- [v. 14] Mystery of the lost letter -- [v. 15] Mystery of the lost pearl -- [v. 16] Mystery of the midnight vistors -- [v. 17] Mystery of the missing wigs -- [v. 18] Mystery of the runaway sled -- [v. 19] Mystery of the witch's shoes -- [v. 20] Secret of the haunted house
