I have sinned is written in Latin at the scene of a murder that Boston medical examiner Maura Isles and Detective Jane Rizzoli swiftly link to celebrity psychiatrist Joyce O'Donnell who's a member of the Mephisto Club.

Boston homicide detective Jane Rizzoli is already at the crime scene when medical examiner Maura Isles arrives on the Chinatown rooftop. Rizzoli's gut says they're on the trail of a twisted predator and when a monkey hair is found on the body, other clues point Rizzoli and Isles in the direction of the fable of the Monkey King.

Visiting sixteen-year-old "Rat" Perkins at isolated Evenson boarding school, Maura Isles is astonished to learn that all of his classmates are survivors of violence and are being instructed in scientific detective skills, a discovery that coincides with Jane Rizzoli's investigation into the murder of a boy's foster family.

When Boston homicide detective Jane Rizzoli and medical examiner Maura Isles are summoned to a crime scene, they find a killing worthy of the most ferocious beast--right down to the claw marks on the corpse. But only the most sinister human hands could have left renowned big-game hunter and taxidermist Leon Gott gruesomely displayed like the once-proud animals whose heads adorn his walls. Did Gott unwittingly awaken a predator more dangerous than...

Boston homicide detective Jane Rizzoli and medical examiner Maura Isles are newly plagued by what seems like a completely senseless murder. Sofia Suarez, a widow and nurse who was universally liked by all her neighbors, lies in her own home, brutally bludgeoned. But anything can happen behind closed doors, and Sofia seemed to have plenty of secrets in her last days, making covert phone calls to old contacts and traceless burner phones. When a connection...