The Wheel of Darkness by Douglas Preston

A luxury ocean liner on its maiden voyage across the North Atlantic, awash in wealth and decadence...
An ancient Tibetan box, its contents unknown, sealed with a terrifying warning...
An FBI agent destined to confront what he fears most--himself...

From Publishers Weekly
In the exciting eighth supernatural thriller from bestsellers Preston and Child (after 2006's The Book of the Dead), FBI agent Aloysius Pendergast and his ward, Constance Greene, seek peace of mind at a remote Tibetan monastery, only to fall into yet another perilous, potentially earthshaking assignment. The monastery's abbot asks them to recover a stolen relic, the cryptic Agozyen, which could, in the wrong hands, wipe out humanity. The pair follow the trail to a luxury cruise ship, where a series of brutal murders suggests the relic's evil spirit might already have been invoked. Fans of earlier books focused on a thinly disguised American Museum of Natural History may find less at stake among the new cast of secondary characters, but the fate of Constance, who claims to have aborted the child of Pendergast's villainous younger brother, remains a potent subplot. While not as frightening as others in the series, this entry still shows why the authors stand head and shoulders above their rivals in this subgenre. (Aug. 28)
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Review
"Exciting...the authors stand head and shoulders above their rivals." (Publishers Weekly )
"From the opening page to the shocking last, an amazingly claustrophobic and terrifying reading experience awaits: this book does for cruise ships what Jaws did for summer beach resorts. One of the best thrillers of the year." (Library Journal *starred review* )

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