Lot of 6 

Tom Clancy 

Paperback Novels 

Without Remorse 1994

Op-Center Games of State 1996

Net Force Breaking Point 2000

Tom Clancy A Campus Novel Support and Defend 2015 - by Mark Greaney

Tom Clancy Locked On 2012 - with Mark Greaney

Tom Clancy A Jack Ryan Novel Commander In Chief 2016 - by Mark Greaney