During a service at a cathedral in Cologne, Germany, a band of armed intruders unleash a nightmare of blood and terror, ruthlessly gunning down worshippers and clergy alike. As they flee the carnage they carry a prize that could reshape the world. The Vatican is in turmoil, and Lieutenant Rachel Verona of Rome's carabinieri is assigned to lead...

Featuring bone-chilling suspense and Preston and Child's trademark meticulous research and vivid detail, Brimstone is the duo's—and Pendergast's—most dangerous and gripping adventure yet.