Four hot crime thrillers in a single boxset. Each volume is also separately available in paperback, on Kindle or as an audiobook. Although they are independent stories, together they form an overall cohesive narrative. Detective Jeremy Ryder and his colleagues pursue heinous criminals into the depths of the criminal underworld. Hundreds of five-star reviews of the individual volumes testify to their reputation as action-packed thrillers steeped in authenticity and plausibility, reflecting the real world of police encounters with the dark world of crime.