Where Serpents Sleep (Sebastian St. Cyr Series #4)

Hero Jarvis, reform-minded daughter of the Prince Regent's cousin, enlists Sebastian St. Cyr's help in investigating the brutal murders of eight prostitutes.

Following a trail of clues from London's seedy East End to the Mayfair mansions of a noble family, the two must race against time to stop a killer whose ominous plot threatens to shake the nation to its very core?