| # | Book Title | Author | |
|---|---|---|---|
| 1 | Bad Case of Ghosts, A | Oppel, Kenneth | |
| 2 | Strange Case of Magic, A | Oppel, Kenneth | |
| 3 | Crazy Case of Robots, A | Oppel, Kenneth | |
| 4 | Incredible Case of Dinosaurs, An | Oppel, Kenneth | |
| 5 | Weird Case of Super-Goo, A | Oppel, Kenneth | |
| 6 | Creepy Case of Vampires, A | Oppel, Kenneth |