THE BALKAN ESCAPE
Prequel to The Emperor’s Tomb
As a favor to enigmatic billionaire Henrik Thorvaldsen, Cassiopeia Vitt treks into Bulgaria’s Rila mountains in search of a buried stash of exceedingly rare artifacts from a bygone civilization: the ancient tomb of a Thracian king. But when her presence is discovered by a shadowy group of Russians secretly mining the area, she needs a way out. Whom can I trust? becomes the question, and her life depends on making the right decision.
THE DEVIL’S GOLD
Prequel to The Jefferson Key
For eight years he’s been plotting, waiting, scheming to kill Federal agents Christopher Combs and Cotton Malone, whom he blames for the loss of his career. But as rogue agent Jonathan Wyatt prepares for a final confrontation in a remote South American village, he makes a discovery that stretches back to the horrors of World War II, to the astounding secret of a child’s birth, to Martin Bormann and Eva Braun—and to a fortune in lost gold.
THE ADMIRAL’S MARK
Prequel to The Columbus Affair
Cotton Malone never cared for the shady dealings of his brother-in-law, Scott Brown. But after Scott dies while scuba diving, Malone heads to Haiti where he learns that, beneath the crystal clear waters, his brother-in-law had found the sunken wreckage of the Santa Maria, the fabled flagship of Christopher Columbus. Setting out to piece together what happened, Malone quickly realizes that he’s not the only man there with questions—and that he’ll have to fight just to get out of Haiti alive.