The Barber Surgeon's Hairshirt (Barney Thomson series)

Barney Thomson is a barber on the run. Notorious throughout Scotland as the most prolific serial killer since the Black Death, he has escaped Glasgow and the long arm of the law by hiding out in a monastery in the frozen far north-west. However, as the snow descends, and the police slowly close in on his hideout, a new, vicious and altogether more psychotic murderer is wreaking havoc amongst the monks…