An omnibus edition of Guardians of Time and Time Patrolman.
- Time Patrol (1955)
- Brave to be a King (1959)
- Gibraltar Falls (1975)
- The Only Game in Town (1960)
- Delenda Est (1955)
- Ivory, and Apes, and Peacocks (1983)
- The Sorrow of Odin the Goth (1983)
Poul Anderson (1926–2001) was born in Pennsylvania of Scandinavian stock. He started publishing science fiction in 1947 and became one the great figures in the genre, serving as President of the Science Fiction Writers of America, winning many Hugo and Nebula awards, and also winning the Gandalf (Grand Master) Award.