I: The Last Heroes (1985)

II: The Secret Warriors (1986)

III: The Soldier Spies (1987)

IV: The Fighting Agents (2000)

V: The Saboteurs¹ (2006)

VI The Double Agents¹ (2007)

I: Men in Blue (1988)

II: Special Operations (1989)

III: The Victim (1991)

IV: The Witness (1992)

V: The Assassin (1992)

VI: The Murderers (1994)

VII: The Investigators (1998)

VIII: Final Justice (2003)

I: Honor Bound (1993)

II: Blood and Honor (1996)

III: Secret Honor (2000)

IV: Death and Honor¹ (due June 3, 2008)

By the Order of the President (2004)

The Hostage (2006)

The Hunters (2007)

The Shooters (2008)