While Sherlock Holmes is tackling mysteries in London, his counterpart, Detective Inspector Cornelius Armstrong is keeping the forces of evil at bay in the North.
Combining his detective skills and his street-wise savvy, and with the support of an array of colourful local characters, each adventure sees Armstrong tackling cases involving murder, mystery and ghostly legends; all set against the backdrop of Carlisle and its 2000-year history.
The first three books in the series consist of two novellas in each volume.
Volume 4 of this popular series is the first full-length novel in the series.