The Mystery of the Secret Room: Book 3

The Mystery of the Hidden House: Book 6

The Mystery of the Spiteful Letters: Book 4

The Mystery of the Pantomime Cat: Book 7

The Mystery of the Missing Necklace: Book 5

The Mystery of the Missing Man: Book 13

The Mystery Series: The Mystery of Banshee Towers: Book 15

The Mystery of the Vanished Prince: Book 9

The Mystery of Holly Lane: Book 11

The Mystery of the Burnt Cottage: Book 1

The Mystery of the Invisible Thief: Book 8