Juvenile Series and Sequels
Title: Three Investigators
| Series Title - Subject | Book Title - Author |  |
| 0-9 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z |
| # | Book Title (Juvenile) | Author |
|---|---|---|
| 1 | Secret of Terror Castle, The | Robert Arthur |
| 2 | Mystery of the Stuttering Parrot, The | Robert Arthur |
| 3 | Mystery of the Whispering Mummy, The | Robert Arthur |
| 4 | Mystery of the Green Ghost, The | Robert Arthur |
| 5 | Mystery of the Vanishing Treasure, The | Robert Arthur |
| 6 | Secret of Skeleton Island, The | Robert Arthur |
| 7 | Mystery of the Fiery Eye, The | Robert Arthur |
| 8 | Mystery of the Silver Spider, The | Robert Arthur |
| 9 | Mystery of the Screaming Clock, The | Robert Arthur |
| 10 | Mystery of the Moaning Cave, The | Robert Arthur |
| 11 | Mystery of the Talking Skull, The | Robert Arthur |
| 12 | Mystery of the Laughing Shadow, The | William Arden |
| 13 | Secret of the Crooked Cat, The | William Arden |
| 14 | Mystery of the Coughing Dragon, The | Nick West |
| 15 | Mystery of the Flaming Footprints, The | M. V. Carey |
| 16 | Mystery of the Nervous Lion, The | Nick West |
| 17 | Mystery of the Singing Serpent, The | M. V. Carey |
| 18 | Mystery of the Shrinking House, The | William Arden |
| 19 | Secret of the Phantom Lake, The | William Arden |
| 20 | Mystery of Monster Mountain, The | M. V. Carey |
| 21 | Secret of the Haunted Mirror, The | M. V. Carey |
| 22 | Mystery of the Dead Man's Riddle, The | William Arden |
| 23 | Mystery of the Invisible Dog, The | M. V. Carey |
| 24 | Mystery of Death Trap Mine, The | M. V. Carey |
| 25 | Mystery of the Dancing Devil, The | William Arden |
| 26 | Mystery of the Headless Horse, The | William Arden |
| 27 | Mystery of the Magic Circle, The | M. V. Carey |
| 28 | Mystery of the Deadly Double, The | William Arden |
| 29 | Mystery of the Sinister Scarecrow, The | M. V. Carey |
| 30 | Secret of Shark Reef, The | William Arden |
| 31 | Mystery of the Scar-Face Beggar, The | M. V. Carey |
| 32 | Mystery of the Blazing Cliffs, The | M. V. Carey |
| 33 | Mystery of the Purple Pirate, The | William Arden |
| 34 | Mystery of the Wandering Cave Man, The | M. V. Carey |
| 35 | Mystery of the Kidnapped Whale, The | Marc Brandel |
| 36 | Mystery of the Missing Mermaid, The | M. V. Carey |
| 37 | Mystery of the Two-Toed Pigeon, The | Marc Brandel |
| 38 | Mystery of the Smashing Glass, The | William Arden |
| 39 | Mystery of the Trail of Terror, The | M. V. Carey |
| 40 | Mystery of the Rogues' Reunion, The | Marc Brandel |
| 41 | Mystery of the Creep-Show Crooks, The | M. V. Carey |
| 42 | Mystery of the Wreckers' Rock, The | William Arden |
| 43 | Mystery of the Cranky Collector, The | M. V. Carey |
| Subject: Mystery and Detective Stories. | ||
