Alfred Hitchcock and the Three Investigators
15. The Mystery of the Flaming Footprints (1971)
17. The Mystery of the Singing Serpent (1971)
20. The Mystery of Monster Mountain (1972)
21. The Secret of the Haunted Mirror (1972)
23. The Mystery of the Invisible Dog (1973)
24. The Mystery of Death Trap Mine (1976)
27. The Mystery of the Magic Circle (1977)
29. The Mystery of the Sinister Scarecrow (1979)
31. The Mystery of the Scar-Faced Beggar (1981)
32. The Mystery of the Blazing Cliffs (1981)
34. Mystery of the Wandering Cave Man (1982)
36. The Mystery of the Missing Mermaid (1983)
37. The Mystery of the Two-Toed Pigeon (1983)
39. The Mystery of the Trail of Terror (1984)
40. The Mystery of the Rogues' Reunion (1985)
41. The Mystery of the Creep-Show Crooks (1985)
43. The Mystery of the Cranky Collector (1987)