Book 1

Ullr Uprising

by H. Beam Piper
Jan 1, 2006
English
eBook
Edition: 2

Book 2

Four-Day Planet

by Henry Beam Piper
Jan 1, 2006
English
eBook
Jul 24, 2021
English
Paperback (202 pages)

Four Day Planet

by H. Beam Piper
Feb 14, 2022
English
Paperback (198 pages)

Book 3

The Cosmic Computer

by Henry Beam Piper
Jan 1, 2007
English
eBook

Book 4

Space Viking

by Henry Beam Piper
Jan 1, 2007
English
eBook
Edition: 1st

Space Viking: Illustrated

by H. Beam Piper, Schoenherr
Nov 30, 2015
English
Paperback (218 pages)

Book 5

Federation

by H. Beam Piper
May 1, 1986
English
Paperback (320 pages)

Book 6

Empire

by H. Beam Piper
May 15, 1981
English
Paperback (242 pages)

The Federation Series

by H. Beam Piper
English
Kindle (437 pages)

A Slave Is A Slave

by H. Beam Piper
May 20, 2022
English
Kindle (45 pages)
Jul 10, 2006
English
Paperback