The Dogs of Devonshire: A 221B Sheridan Hope Thriller, by Demetrius Sherman (Amazon Kindle, 2012)
Dr. Sacker is busy at home, writing the cases of Sheridan Hope. Reports of a beast that gruesomely kills before vanishing and a call from Hope shatters his quiet activity. On the trail of the dangerous mystery, Hope and Sacker face a threat more horrific than anyone could have imagined.
The Dogs of Devonshire is the second Sheridan Hope story.