“Traditional mystery buffs with a taste for the offbeat will relish British author Fowler’s wonderful second contemporary whodunit featuring the Peculiar Crimes Unit and its elderly odd couple, Arthur Bryant and John May.”—Publishers Weekly (starred review)

How can an elderly recluse drown in a chair in her otherwise dry basement? That’s what John May and Arthur Bryant of London’s Peculiar Crimes Unit set out to discover in a city rife with shady real estate developers, racist threats, dodgy academicians, and someone dangerously obsessed with Egyptian mythology. Linking them all is an evil lurking in London’s vast and forgotten underground river system—a killer with the eerie ability to strike anywhere, anytime, without leaving a clue. It’s a subterranean case of secrets, lies, and multiple murder that defies not only the law, but reason itself. Can Bryant and May bring a killer to the surface and stop the dark tide of murder before it pulls them under, too?

“A clever twist on the traditional police procedural . . . The real thrill here is the delightful duo in the starring roles, two fresh and unusual characters who manage to breathe new life into an established genre in which it’s getting harder and harder to find anything genuinely fresh.”—Booklist

“Humorous, engaging.”—Kirkus Reviews

Author Biography

Christopher Fowler was the acclaimed author of the award-winning Peculiar Crimes Unit mysteries: Full Dark House, The Water Room, Seventy-Seven Clocks, Ten Second Staircase, White Corridor, The Victoria Vanishes, Bryant & May on the Loose, Bryant & May off the Rails, The Memory of Blood, The Invisible Code, Bryant & May and the Bleeding Heart, Bryant & May and the Burning Man, Bryant & May: Strange Tide, Bryant & May: Wild Chamber, Bryant & May: Hall of Mirrors, Bryant & May: The Lonely Hour, Bryant & May: Oranges & Lemons, Bryant & May: London Bridge Is Falling Down, and Bryant & May: Peculiar London. In 2015 Fowler won the coveted Crime Writers’ Association Dagger in the Library Award in recognition for his body of work. Christopher Fowler died in 2023.

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