(From the publisher):
Prostitutes are being brutally murdered in Covent Garden. Sir John Fielding, the blind magistrate who co-founded London's first police force, calls upon his keen intellect and uncommon detecting skills to solve this shocking series of crimes - each one disturbingly different from the last. With the help of Jeremy, his young assistant and ward, Fielding sets out to capture the killer - with a plan that is as daring as it is desperate...
Original title: Person or Persons Unknown
Genre: Fiction→ Crime and Mystery→ Detective Story and Detectives→ Historical