Rifts World Books is a 7-book series with 7 primary works first released in 1991 with contributions by Kevin Siembieda, Alex Marciniszyn, and 2 others.
1991 • 2 Readers • 23 pages • 3
1994 • 2 Readers • 168 pages • 3.5
1996 • 2 Readers • 160 pages • 4