The Ghost in the Tree House #7

The Ghost Backstage #3

The Ghosts at the Movie Theater #9

The Haunted Library #1

The Five O'Clock Ghost #4

The Hide-and-Seek Ghost #8

The Ghost at the Fire Station #6

The Ghost in the Attic #2

The Secret Room #5

King & Kayla and the Case of the Lost Library Book

King & Kayla and the Case of the Lost Tooth

King & Kayla and the Case of Found Fred

King & Kayla and the Case of the Unhappy Neighbor

King & Kayla and the Case of the Secret Code

Mr. Summerling's Secret Code #1

King & Kayla and the Case of the Cat Hunt

King & Kayla and the Case of the Mysterious Mouse

King & Kayla and the Case of the Downstairs Ghost

King & Kayla and the Case of the Missing Dog Treats

The Hidden Room #2