Nemesis: The BRAND NEW unputdownable and gripping thriller for 2026 from the author of OUTBACK (A DS Walker Thriller Book 4)

DS Lucas Walker is assigned to track down Stefan Markovich, the Vandals leader who attempted to have him killed after Walker exposed his drug operation. Markovich has evaded justice for years, and Walker pursues him to Berlin, where he also hopes to reconnect with Barbara. Barbara is investigating a suspicious death at a peaceful lake colony. When a second body surfaces, she realizes she is hunting a killer who watches victims die in agony. Still processing trauma from her sister's ordeal in outback Australia, Barbara must balance her case with her feelings for Walker. As Walker and Barbara work their separate investigations, they confront both the threats of their world and their feelings for each other. This fourth installment in the DS Lucas Walker series contains shocking twists and thrilling turns.