Perry Rhodan
26. Cosmic Traitor (1973)
34. SOS: Spaceship Titan! (1973)
38. Project: Earthsave (1974)
43. Life Hunt (1974)
47. Shadow of the Mutant Master (1974)
59. Interlude on Siliko 5 (1974)
63. The Tigris Leaps (1975)
70. Thora's Sacrifice (1975)
75. Planet Topide, Please Reply! (1975)
81. Pucky's Greatest Hour (1975)
82. Atlan in Danger (1975)
89. Power's Price (1976)
90. Unleashed Powers (1976)
101. Blockade: Lepso (1976)
104. The Man with Two Faces (1976)
106. Caller from Eternity (1976)
115. Saboteurs in A-1 (1977) (with William Voltz)
116. The Psycho Duel (1977) (with William Voltz)
Agents of Destruction (1979)