• The Island Under the Earth
• Rogue Dragon
• The Scarlet Fig: Or, Slowly Through a Land of Stone, Book Three of the Vergil Magus Series
• Vergil in Averno vm-2
• The Kar-Chee Reign
• The Other Nineteenth Century
• The Enemy of My Enemy
• Vergil in Averno: Book Two of the Vergil Magus Series
• Clash of Star-Kings
• Masters of the Maze
• The Phoenix and the Mirror
• Ursus of Ultima Thule
• The Avram Davidson Treasury
• Rork!
• Mutiny in Space
• The Investigations of Avram Davidson