The Devil's Workshop

They thought he was gone, but they were wrong. Jack the Ripper is loose in London once more.
Scotland
Yard’s Murder Squad faces the most shocking case of its existence, in
the extraordinary new historical thriller from the author of the
acclaimed national bestsellers The Yard and The Black Country.
  London, 1890. A small group of the city’s elite, fed up with the murder
rate, have made it their business to capture violent criminals and mete
out their own terrible brand of retribution. Now they are taking it a