Fiction:

THE LIST OF SEVEN (1993)
THE SIX MESSIAHS (1995)
BEFORE I WAKE (1997)
THE SECOND OBJECTIVE (2009)
PALADIN PROPHECY 1: The Paladin Prophecy (2012)
PALADIN PROPHECY 2: Alliance (2013)
PALADIN PROPHECY 3: Rogue (2015)
THE SECRET HISTORY OF TWIN PEAKS (2016)

Non-fiction:

THE GREATEST GAME EVER PLAYED: A True Story (2002)
THE GRAND SLAM: Bobby Jones, America, And the Story of Golf (2006)
THE MATCH: The Day the Game of Golf Changed Forever (2007)
GAME SIX (2009)