The Emperor's Tomb by Steve Berry

In this gripping thriller, former Justice Department operative Cotton Malone is thrust into a perilous quest that spans continents and centuries. When his friend Cassiopeia Vitt is kidnapped, Malone finds himself embroiled in a high-stakes race against time to uncover the secrets of an ancient Chinese tomb. As he navigates a web of political intrigue and historical mysteries, Malone must decipher cryptic clues and confront formidable adversaries to rescue Cassiopeia and prevent a global catastrophe. The narrative weaves together elements of history, espionage, and adventure, keeping readers on the edge of their seats until the very end.