William Monk

In her twentieth William Monk mystery, she brings us to London's grand Mayfair mansions, where the arrogant masters of the Western world hold sway - and to the teeming Thames waterfront, where one summer afternoon, Monk witnesses the horrifying explosion of the pleasure boat Princess Mary, which takes nearly two hundred of the merrymakers on board to their deaths. The tragedy is no accident.

In Corridors of the Night, nurse Hester Monk and her husband, William, commander of the Thames River Police, do desperate battle with two obsessed scientists who, in the name of healing, have turned to homicide. The monomaniacal Rand brothers - Magnus, a cunning doctor, and Hamilton, a genius chemist - are utterly ruthless in their pursuit of a cure for the fatal "white-blood disease".

Commander William Monk has learned to live with the fact that he cannot remember the events of his life prior to a horrific carriage accident years ago. But when a ghost from his past, a man he has no recollection of, attempts to frame him for a series of murders, he must rely on the help of his wife, Hester, and his close friend, Oliver Rathbone, in order to free himself - from both the charges and the demons that have haunted him since the accident.

When a Hungarian immigrant is dismembered near London's River Thames, Commander Monk is called to the eerie scene, where 16 candles surround the corpse. As identical murders pop up around the city, Monk confronts the unsettling options: could it be the work of a secret society? A serial madman? Or is a xenophobic Brit targeting foreigners? A local doctor who speaks Hungarian from his days on the battlefield may be able to help, but his own struggles with post-traumatic stress have left his memory in shambles.

Harry Exeter doesn't want the aid of the Thames River Police in tracking down the men who kidnapped his wife, Kate. He only asks them to help him navigate Jacob's Island, a creepy mass of decrepit buildings where he will hand off a large sum of money in exchange for her life. But when they arrive at the meeting place, Commander Monk and five of his best men are attacked from all sides, and Monk is left wondering who could have given away their plans. As Monk follows leads, it seems inevitable one of his own men has betrayed him.