| # | Book Title | Author | |
|---|---|---|---|
| 1 | Spell of the Crystal Chair, The | Morris, Gilbert | |
| 2 | Savage Game of Lord Zarak, The | Morris, Gilbert | |
| 3 | Strange Creatures of Dr. Korbo, The | Morris, Gilbert | |
| 4 | City of the Cyborgs | Morris, Gilbert | |
| 5 | Temptations of Pleasure Island, The | Morris, Gilbert | |
| 6 | Victims of Nimbo, The | Morris, Gilbert | |
| 7 | Terrible Beast of Zor, The | Morris, Gilbert |