The Jefferson Key (with bonus short story The Devil's Gold): A Novel (Cotton Malone Book 7)

The King's Deception (with bonus novella The Tudor Plot): A Novel (Cotton Malone Book 8)

The Emperor's Tomb (with bonus short story The Balkan Escape): A Novel (Cotton Malone Book 6)

The Paris Vendetta: A Novel (Cotton Malone Book 5)

The Charlemagne Pursuit: A Novel (Cotton Malone Book 4)

The Patriot Threat: A Novel (Cotton Malone Book 10)

The Lincoln Myth: A Novel (Cotton Malone Book 9)

The Venetian Betrayal: A Novel (Cotton Malone Book 3)

The Alexandria Link (Cotton Malone Book 2)

The Columbus Affair: A Novel (with bonus short story The Admiral's Mark)

The Templar Legacy: A Novel (Cotton Malone Book 1)