Inquisition Jack howard series, book 10.

The latest Jack Howard thriller from internationally bestselling mastermind David Gibbins. 258 As the blood of martyred Christians runs through Rome's catacombs, Pope Sixtus entrusts their most sacred object to a devoted follower. Soon after, the Holy Grail disappears into the darkness of time. 1684 While overseeing the evacuation of the English colony of Tangier, Samuel Pepys attempts to retrieve a treasure which has resurfaced after mor...