Travel into the dark underworld of Glasgow, Scotland, in the suspenseful, award-winning organized-crime thriller series that the New York Times calls “habit-forming.”

Hit man Calum MacLean has finally had enough of killing. And he’s planning an unprecedented escape just as his employers need him the most — Glasgow’s biggest criminal organizations are gearing up for a final, fatal confrontation.

The panic over Calum’s abrupt disappearance may finally give Detective Michael Fisher the chance he needs to close the case of a lifetime. But first, he must track down a man who has become a master at staying in the shadows.

Don’t pick up a Mackay book unless you’ve got spare time. They’re habit-forming.” — Janet Maslin, The New York Times “It’s been a long time since so many pages went by so fast . . . Mackay is a natural storyteller [with] a voice to which we’re happy to surrender. Surprisingly rewarding . . . a thriller trilogy that thrills. ” — Dennis Drabelle, The Washington Post “Bracing . . . remarkable.” — Adam Woog, Seattle Times