• Robert Grandon 02 Prince of Peril
• Maza of the Moon (1929)
• Dr. Dorp 01 The Malignant Entity
• Robert Grandon 01 Planet of Peril
• Robert Grandon 03 The Port of Peril aka Buccaneers of Venus
• Bride of Osiris
• SPAWN OF THE COMET
• Maza of the Moon
• The Metal Monster
• Stolen Centuries
• The Swordsman of Mars
• Revenge of the Robot
• The Thing That Walked In The Rain
• Jan of the Jungle