The Mystery of the Midnight Ghost: Book 2

The Mystery of the Smugglers' Wreck: Book 9

The Mystery of the Vanishing Skeleton: Book 6

The Mystery of the Dinosaur Discovery: Book 7

The Mystery of the Secret Room: Book 13

The Mystery of the Invisible Spy: Book 10

The Mystery of the Black Salamander: Book 12

The Mystery of the King's Ransom: Book 11

The Mystery of the Missing Masterpiece: Book 4

The Mystery of the Cursed Ruby: Book 5

The Mystery of the Hidden Gold: Book 3

The Mystery of the Whistling Caves: Book 1

The Mystery of the Phantom Lights: Book 14

The Mystery of the Drowning Man: Book 8

The Serpent King: Book 3

The Phoenix Code: Book 1

The Dragon Path: Book 2

Time Dogs: Balto and the Race Against Time

Time Dogs: Barry and the Great Mountain Rescue

Time Dogs: Seaman and the Great Northern Adventure