**__Perry Rhodan__**

A series published weekly in Germany by a variety of authors since the 1960's

  - Operation Stardust
  - The Radiant Dome
  - Galactic Alarm
  - Invasion from Space
  - The Vega Sector
  - The Secret of the Time Vault
  - Fortress of the Six moons
  - The Galactic Riddle
  - Quest through Space and Time
  - The Ghosts of Gol
  - Planet of the Dying Sun
  - The Robots of Tuglon
  - The Immortal Unknown