On the Fifth Day

“A. J. Hartley is a rare discovery: a writer capable of challenging a reader as much as he thrills. His latest novel, On the Fifth Day, careens at a breathless pace from dark crypts to exotic sunlit shores. Full of historical mystery, rife with intrigue and suspense, here is a tour de force sure to keep pages turning deep into the night.”

—James Rollins, New York Times bestselling author of Black Order