# | Book Title | Author | |
---|---|---|---|
1 | Secret of Terror Castle, The | Arthur, Robert | |
2 | Mystery of the Stuttering Parrot, The | Arthur, Robert | |
3 | Mystery of the Whispering Mummy, The | Arthur, Robert | |
4 | Mystery of the Green Ghost, The | Arthur, Robert | |
5 | Mystery of the Vanishing Treasure, The | Arthur, Robert | |
6 | Secret of Skeleton Island, The | Arthur, Robert | |
7 | Mystery of the Fiery Eye, The | Arthur, Robert | |
8 | Mystery of the Silver Spider, The | Arthur, Robert | |
9 | Mystery of the Screaming Clock, The | Arthur, Robert | |
10 | Mystery of the Moaning Cave, The | Arthur, Robert | |
11 | Mystery of the Talking Skull, The | Arthur, Robert | |
12 | Mystery of the Laughing Shadow, The | Arden, William | |
13 | Secret of the Crooked Cat, The | Arden, William | |
14 | Mystery of the Coughing Dragon, The | West, Nick | |
15 | Mystery of the Flaming Footprints, The | Carey, M. V. | |
16 | Mystery of the Nervous Lion, The | West, Nick | |
17 | Mystery of the Singing Serpent, The | Carey, M. V. | |
18 | Mystery of the Shrinking House, The | Arden, William | |
19 | Secret of the Phantom Lake, The | Arden, William | |
20 | Mystery of Monster Mountain, The | Carey, M. V. | |
21 | Secret of the Haunted Mirror, The | Carey, M. V. | |
22 | Mystery of the Dead Man's Riddle, The | Arden, William | |
23 | Mystery of the Invisible Dog, The | Carey, M. V. | |
24 | Mystery of Death Trap Mine, The | Carey, M. V. | |
25 | Mystery of the Dancing Devil, The | Arden, William | |
26 | Mystery of the Headless Horse, The | Arden, William | |
27 | Mystery of the Magic Circle, The | Carey, M. V. | |
28 | Mystery of the Deadly Double, The | Arden, William | |
29 | Mystery of the Sinister Scarecrow, The | Carey, M. V. | |
30 | Secret of Shark Reef, The | Arden, William | |
31 | Mystery of the Scar-Face Beggar, The | Carey, M. V. | |
32 | Mystery of the Blazing Cliffs, The | Carey, M. V. | |
33 | Mystery of the Purple Pirate, The | Arden, William | |
34 | Mystery of the Wandering Cave Man, The | Carey, M. V. | |
35 | Mystery of the Kidnapped Whale, The | Brandel, Marc | |
36 | Mystery of the Missing Mermaid, The | Carey, M. V. | |
37 | Mystery of the Two-Toed Pigeon, The | Brandel, Marc | |
38 | Mystery of the Smashing Glass, The | Arden, William | |
39 | Mystery of the Trail of Terror, The | Carey, M. V. | |
40 | Mystery of the Rogues' Reunion, The | Brandel, Marc | |
41 | Mystery of the Creep-Show Crooks, The | Carey, M. V. | |
42 | Mystery of the Wreckers' Rock, The | Arden, William | |
43 | Mystery of the Cranky Collector, The | Carey, M. V. |