A fourth child abduction, an anonymous letter to a mother making a promise - kill yourself and your child will be released - and two women are dead already.
Solomon Glass has just survived his own nightmare: a tragedy, an internal investigation, and a spell off the force. In his race to uncover the kidnapper, Glass must enter the darkest side of himself, a place he's barely able to go but where he knows he will find the answers. And the more he learns, the more he suspects that's exactly what the killer wants him to do. So begins a deadly game of cat and mouse, played for the highest stakes of all. Cross your heart. This is a dark, powerfully compelling psychological thriller that will chill you to the core. Download and start listening now!