Introducing 19th-century private investigators Matthew Grand and James Batchelor in the first of a brand-new historical mystery series.

April, 1865. Having been an eye witness to the assassination of President Lincoln, Matthew Grand, a former captain of the 3rd Cavalry of the Potomac, has come to London on an undercover assignment to hunt down the last of the assassin's co-conspirators. Ambitious young journalist Jim Batchelor has been charged with writing a feature article on the visiting American, with the aim of getting the inside story on the assassination.

Both men are distracted from their missions by the discovery of a body behind the Haymarket Theatre in London's Soho district. It's the latest in a series of grisly garrottings by a killer known as the Haymarket Strangler.

As Grand and Batchelor team up to pursue their investigations through the dark underbelly of Victorian London, it becomes clear that there may be a disturbing connection between the assassination of Abraham Lincoln and the Haymarket Strangler.|April, 1865. Matthew Grand, a former Yankee captain who witnessed the assassination of President Lincoln, and ambitious young journalist James Batchelor team up to track down the notorious Haymarket Strangler, who is garrotting young women in London's Soho district. Their investigations uncover a disturbing link to the death of Abraham Lincoln.