3 books in series

Time Patrol

Time Patrol is a 3-book series with 3 released primary works first released in 1955 with contributions by Poul Anderson.

#1
Guardians of Time

#1 of 3 in Time Patrol

1960 • 11 Readers • 160 pages • 3.6

#3
The Year of the Ransom

#3 of 3 in Time Patrol

1988 • 1 Reader • 169 pages

#4
The Shield of Time

#4 of 3 in Time Patrol

1990 • 5 Readers • 436 pages • 3