Arthur, Robert et al 43 vols 1964-87
| # | Title | Date | Author |
| 1 | The Secret of Terror Castle | 1964 | Robert Arthur |
| 2 | The Mystery of the Stuttering Parrot | 1964 | Robert Arthur |
| 3 | The Mystery of the Whispering Mummy | 1965 | Robert Arthur |
| 4 | The Mystery of the Green Ghost | 1965 | Robert Arthur |
| 5 | The Mystery of the Vanishing Treasure | 1966 | Robert Arthur |
| 6 | The Secret of Skeleton Island | 1966 | Robert Arthur |
| 7 | The Mystery of the Fiery Eye | 1967 | Robert Arthur |
| 8 | The Mystery of the Silver Spider | 1967 | Robert Arthur |
| 9 | The Mystery of the Screaming Clock | 1968 | Robert Arthur |
| 10 | The Mystery of the Moaning Cave | 1968 | William Arden (Dennis Lynds) |
| 11 | The Mystery of the Talking Skull | 1969 | Robert Arthur |
| 12 | The Mystery of the Laughing Shadow | 1969 | William Arden (Dennis Lynds) |
| 13 | The Secret of the Crooked Cat | 1970 | William Arden (Dennis Lynds) |
| 14 | The Mystery of the Coughing Dragon | 1970 | Nick West (Kin Platt) |
| 15 | The Mystery of the Flaming Footprints | 1971 | M(ary) V. Carey |
| 16 | The Mystery of the Nervous Lion | 1971 | Nick West (Kin Platt) |
| 17 | The Mystery of the Singing Serpent | 1972 | M(ary) V. Carey |
| 18 | The Mystery of the Shrinking House | 1972 | William Arden (Dennis Lynds) |
| 19 | The Secret of Phantom Lake | 1973 | William Arden (Dennis Lynds) |
| 20 | The Mystery of Monster Mountain | 1973 | M(ary) V. Carey |
| 21 | The Secret of the Haunted Mirror | 1974 | M(ary) V. Carey |
| 22 | The Mystery of Dead Man's Riddle | 1973 | William Arden (Dennis Lynds) |
| 23 | The Mystery of the Invisible Dog | 1975 | M(ary) V. Carey |
| 24 | The Mystery of Death Trap Mine | 1976 | M(ary) V. Carey |
| 25 | The Mystery of the Dancing Devil | 1976 | William Arden (Dennis Lynds) |
| 26 | The Mystery of the Headless Horse | 1977 | William Arden (Dennis Lynds) |
| 27 | The Mystery of the Magic Circle | 1978 | M(ary) V. Carey |
| 28 | The Mystery of the Deadly Double | 1978 | William Arden (Dennis Lynds) |
| 29 | The Mystery of the Sinister Scarecrow | 1979 | M(ary) V. Carey |
| 30 | The Secret of Shark Reef | 1979 | William Arden (Dennis Lynds) |
| 31 | The Mystery of the Scar-Faced Beggar | 1981 | M(ary) V. Carey |
| 32 | The Mystery of the Blazing Cliffs | 1981 | M(ary) V. Carey |
| 33 | The Mystery of the Purple Pirate | 1982 | William Arden (Dennis Lynds) |
| 34 | The Mystery of the Wandering Cave Man | 1982 | M(ary) V. Carey |
| 35 | The Mystery of the Kidnapped Whale | 1983 | Marc Brandel |
| 36 | The Mystery of the Missing Mermaid | 1983 | M(ary) V. Carey |
| 37 | The Mystery of the Two-Toed Pigeon | 1984 | Marc Brandel |
| 38 | The Mystery of the Smashing Glass | 1984 | William Arden (Dennis Lynds) |
| 39 | The Mystery of the Trail of Terror | 1984 | M(ary) V. Carey |
| 40 | The Mystery of the Rogue's Reunion | 1985 | Marc Brandel |
| 41 | The Mystery of the Creep-Show Crooks | 1985 | M(ary) V. Carey |
| 42 | The Mystery of the Wreckers' Rock | 1986 | William Arden (Dennis Lynds) |
| 43 | The Mystery of the Cranky Collector | 1987 | M(ary) V. Carey |
Notes: [Random House] Vols 1-30 are titled the Alfred Hitchcock and the Three Investigators. Vols 31-43 are titled the Three Investigators Mystery Series.
| # | Title | Date | Author |
| RH#1 | The Case of the Weeping Coffin | 1985 | Megan Stine & H. William Stine |
| RH#2 | The Case of the Dancing Dinosaur | 1985 | Rose Estes |
| RH#7 | The Case of the House of Horrors | 1986 | Megan Stine & H. William Stine |
| RH#8 | The Case of the Savage Statue | M(ary) V. Carey |
| Title | Date | Author | |
| The Three Investigators' Book of Mystery Puzzles |
12 vols 1989-1990
| # | Title | Date | Author |
| 1 | Hot Wheels | 1989 | William Arden (Dennis Lynds) |
| 2 | Murder To Go | 1989 | Megan Stine & H. William Stine |
| 3 | Rough Stuff | 1989 | G. H. Stone (Gayle Lynds) |
| 4 | Funny Business | 1989 | William McCay |
| 5 | An Ear For Danger | 1989 | Marc Brandel |
| 6 | Thriller Diller | 1989 | Megan Stine & H. William Stine |
| 7 | Reel Trouble | 1989 | G. H. Stone (Gayle Lynds) |
| 8 | Shoot The Works | 1990 | William McCay |
| 9 | Foul Play | 1990 | Peter Lerangis |
| 10 | Long Shot | 1990 | Megan Stine & H. William Stine |
| 11 | Fatal Error | 1990 | G.H. Stone (Gayle Lynds) |
| 12 | Brain Wash | 1990 | Never published. |
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