Tác giả: H. Beam Piper
Lone Star Planet (Version 2)
John J. McGuire, H. Beam Piper
Ministry of Disturbance
H. Beam Piper
Omnilingual (Version 3)
H. Beam Piper
Omnilingual (version 2)
H. Beam Piper
Time Crime
H. Beam Piper
Naudsonce
H. Beam Piper
Temple Trouble
H. Beam Piper
Hunter Patrol
John J. McGuire, H. Beam Piper
Slave Is a Slave
H. Beam Piper
Null-ABC
John J. McGuire, H. Beam Piper
Four-Day Planet
H. Beam Piper
Little Fuzzy
H. Beam Piper