Investigating the murder of a Louvre curator, Harvard symbologist Robert Langdon and French cryptologist Sophie Neveu find clues painted into a Da Vinci work, inadvertently uncovering a plot involving the Holy Grail and the secret society known as the Priory of Sion.

Thomas of Hookton, having witnessed the massacre of the people of his coastal English village by a marauding band of French raiders on Easter morning 1343, embarks on a quest to hunt down the black-clad knight who led the attack, avenge his neighbors, and recover a holy treasure the knight stole from the church.

"[T]he story of a father and son separated by war and circumstance--and whose encounter with the legendary Holy Grail will change their lives forever-- an epic tale of love, loss, betrayal, vengeance, and retribution that follows Texas Ranger Hackberry Holland on his journey to reunite with his estranged son, Ishmael, a captain in the United States Army" -- "After a violent encounter that leaves four Mexican soldiers dead, Hackberry escapes the country...

Chicago wizard Harry Dresden must help a hated enemy, Nicodemus Archleone, break into a high security vault to steal something belonging to the Lord of the Underworld.