A Necessary End: An Untold Sherlock Holmes Adventure

Just six weeks after the events of The Devil at Prayers, Emily Watson is settling into her new home at 221B Baker Street. Although she is enthralled by the cases brought to Holmes, and completely smitten with Andrew Lynch, she is haunted by the conclusion to the Ivanov case.

When Holmes receives a letter from a girl whose brother has disappeared, Emily is struck with the sense that she has heard Nicole Camberwell's name before. When they arrive in the North Yorkshire town of Rosedale Abbey,...