Tác giả: H. Beam Piper
Lone Star Planet
H. Beam Piper, John J. McGuire
Last Enemy
H. Beam Piper
Edge of the Knife
H. Beam Piper
Murder in the Gunroom
H. Beam Piper
Uller Uprising
H. Beam Piper
Space Viking
H. Beam Piper
Return
H. Beam Piper, John J. McGuire
Omnilingual
H. Beam Piper
Oomphel in the Sky
H. Beam Piper
Five Sci-Fi Short Stories by H. Beam Piper
H. Beam Piper
Cosmic Computer
H. Beam Piper
Police Operation
H. Beam Piper