Tom Clancy's Op-Center is a 15-book series with 15 primary works first released in 1995 with contributions by Jeff Rovin, Víctor Pozanco, and 3 others.
1995 • 11 Readers • 387 pages • 2.4
1995 • 4 Readers • 452 pages • 2.5
1996 • 5 Readers • 512 pages
1998 • 2 Readers • 375 pages • 2