New York Times bestselling author Kat Martin mixes high-octane adventure with sizzling romance for an explosive thriller featuring a dangerous cult, an ex Green Beret, and a female private investigator who will stop at nothing to rescue her missing sister and unmask the high-stakes conspiracy at the heart of the Children of the Sun. Now in Mass Market! Former Green Beret Edge Logan has made a new life for himself at Nighthawk Security in Denver, using his finely honed skills to neutralize threats of all kinds. When he overhears friend and fellow agent Skye Delaney discussing a new case involving her missing sister and a mysterious cult, he offers himself as backup.