Books by P.J. McMahon

The Mystery of the Morphing Hockey Stick: Secret File #3
P.J. McMahon

The Case of the Smiling Shark: Secret File #2
P.J. McMahon

The Case of the Psychic Hamster: Secret File #4
P.J. McMahon

The Mystery of the Swimming Gorilla: Secret File #1
P.J. McMahon

The Mystery of the Disappearing Dinosaurs
P.J. McMahon