4 books in series
Paratime Police
Paratime Police is a 4-book series first released in 1955 with contributions by Roland J. Green, John F. Carr, and H. Beam Piper.
1985 • 1 Reader • 2
1981 • 4 Readers • 295 pages • 3.3
1981 • 1 Reader • 424 pages
1955 • 1 Reader