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 bestseller The Yard.

London, 1890: Four vicious murderers have escaped from prison, part of a plan gone terribly wrong, and now it is up to Walter Day, Nevil Hammersmith, and the rest of Scotland Yard's Murder Squad to hunt down the convicts before the men can resume their bloody spree. But they might already be too late. The killers have retribution in mind, and one of them is heading straight toward a member of...

When London discovered that Jack the Ripper was back, it sent Scotland Yard's Murder Squad into chaos. But now it is even worse. There are two of them. When the Harvest Man begins killing, carving people's faces off their skulls, the men of the Yard know they need Inspector Walter Day to find him before more families are murdered. Meanwhile, Saucy Jack is playing his own games--and when the two killers come together, the men of the Yard may never be the same.