Book Title | Cover Artist | Publisher | Year | ||||||
Escape on Venus | Roy Krenkel, Jr. | Ace | 1964 | BUY | |||||
A Fighting Man Of Mars | Roy Krenkel, Jr. | Ace | 1963 | BUY | |||||
The Lost Continent | Frank Frazetta | Ace | 1963 | BUY | |||||
The Mastermind of Mars | Roy Krenkel, Jr. | Ace | 1963 | BUY | |||||
Savage Pellucidar | Frank Frazetta | Ace | BUY |