| Three (3) Investigators - Mystery of Dancing Devil HC |
| Alfred Hitchcock Three Investigators mystery/Arthur/HB |
| The Three Investigators The mystery of the Green Ghost |
| 33 Alfred Hitchcock The 3 Investigators Mystery Books |
| The Three Investigators The Mystery of the Magic Circle |
| Three (3) Investigators: Mystery of Coughing Dragon HC |
| Three Investigators Mystery of the Creep-Show Crooks HC |
| Three Investigators Mystery of The Vanishing Treasure |
| THREE INVESTIGATORS The MYSTERY of the BLAZING CLIFFS |
| Three Investigators Mystery of Fiery Eye Book Hitchcock |
| Alfred Hitchcock Three Investigators mystery/Arthur/#11 |
| Alfred Hitchcock Three Investigators mystery/Arthur/#7 |
| Alfred Hitchcock Three Investigators mystery/Arthur/#9 |
| Three Investigators MYSTERY of SINGING SERPENT #17 |
| Three Investigators MYSTERY of LAUGHING SHADOW #12 1st |
| The Three Investigators in the Mystery of the Coughi.** |
| Three Investigators MYSTERY of FLAMING FOOTPRINTS #15 |
| Alfred Hitchcock Three Investigators mystery/#1/Arthur |
| Alfred Hitchcock Three Investigators mystery/Arthur/#5 |
| Alfred Hitchcock Three Investigators mystery/Carey/#15 |
| Three Investigators book lot Hitchcock keyhole mystery |
| The Three Investigators - The Mystery of the Fiery Eye |
| 3 INVESTIGATORS - MYSTERY OF THE SILVER SPIDER - 1ST ED |
| Alfred Hitchcock Three Investigators mystery/ Arthur/#8 |
| Three Investigators Mystery of Missing Mermaid HC 1st |
| Three Investigators Mystery of Headless Horse HC 1st |
| THREE INVESTIGATORS MYSTERY Series # 14 |
| Three Investigators MYSTERY of SHRINKING HOUSE #18 |
| Three Investigators Mystery of the Vanishing Treasure |
| Three Investigators Mystery of the Singing Serpent |
| Three Investigators Mystery of the Dancing Devil HC |
| Three 3 Investigators Mystery of Singing Serpent HC 1st |
| Three Investigators Mystery of the MIssing Mermaid 1983 |
| THREE INVESTIGATORS & HITCHCOCK~MYSTERY OF MOANING CAVE |
| Three Investigators MYSTERY of INVISIBLE DOG #23 1st |
| Three 3 Investigators Mystery of Wandering Cave Man HC |
| Three Investigators Mystery of the Green Ghost, HC 1965 |
| THREE INVESTIGATORS #25 MYSTERY OF THE DANCING DEVIL HC |
| Alfred Hitchcock Three Investigators mystery/Arden/#18 |
| Alfred Hitchcock and Three Investigators mystery/Arden |
| THREE INVESTIGATORS - MYSTERY OF THE GREEN GHOST [PB] |
| The 3 Investigators The Mystery of the Blazing Cliffs |
| 3 Investigators in the Mystery of the Shrinking House |
| Three 3 Investigators MYSTERY OF THE MISSING MERMAID |
| Three Investigators Mystery of the Green Ghost, HC 1965 |