Tác giả: H. Beam Piper
Omnilingual (version 2)
H. Beam Piper
Naudsonce
H. Beam Piper
Time Crime
H. Beam Piper
Temple Trouble
H. Beam Piper
Null-ABC
H. Beam Piper
A Slave is A Slave
H. Beam Piper
Last Enemy
H. Beam Piper
Police Operation
H. Beam Piper
Little Fuzzy
H. Beam Piper
The Edge of the Knife
H. Beam Piper
Oomphel in the Sky
H. Beam Piper
Four-Day Planet
H. Beam Piper