Tom Clancy's Op-Center is a 16-book series with 16 primary works first released in 1995 with contributions by Jeff Rovin, Víctor Pozanco, and 4 others.
1995 • 13 Readers • 360 pages • 2.5
1995 • 4 Readers • 452 pages • 2.7
1996 • 5 Readers • 398 pages
1998 • 3 Readers • 375 pages • 2