6 books in series
Paratime Police
Paratime Police is a 6-book series first released in 1950 with contributions by Roland J. Green, John F. Carr, and 2 others.
1950 • 1 Reader • 62 pages • 3
1965 • 1 Reader • 271 pages
1981 • 4 Readers • 295 pages • 3.3
1981 • 1 Reader • 424 pages
1955 • 1 Reader