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seriesthe three investigators mystery

Mystery of the Singing Serpent

By M. V. Carey

The Mystery of Death Trap Mine

By M. V. Carey

The Mystery of Monster Mountain

By M. V. Carey

The Mystery of the Flaming Footprints

By M. V. Carey

The Mystery of the Magic Circle

By M. V. Carey

The Mystery of the Sinister Scarecrow

By M. V. Carey

The Mystery of the Blazing Cliffs

By M. V. Carey

The Mystery of the Cranky Collector

By M. V. Carey

The Mystery of the Wandering Caveman

By M. V. Carey

The Mystery of the scar-faced Beggar

By M. V. Carey

The Mystery of the Creep-Show Crooks

By M. V. Carey

The Sase of the Savage Statue

By M. V. Carey