The clock is ticking. They're still missing. After handing in his detective badge, Mason Black now lives a stable life as a private investigator. But when the bodies of two children are discovered with messages written in blood, the pattern of a familiar killer emerges. Now, the Carter twins are missing, and only Mason can help. With his unique knowledge of the killer, he has an advantage over the San Francisco Police Department. While his marriage falls apart, he must choose between repairing his life or opening doors that were meant to stay closed. There's just one problem; neither solution will restore his faith in humanity.

Ignorance is bliss. Revenge is better. It's been one year since the Lullaby Killer was punished for his crimes, and Mason Black's life has already improved. His PI business is thriving, his family life is stronger than ever, and after years of misery he's finally happy. It's a shame it has to end. Three bodies have been discovered with accusing messages carved into the skin. Hiding below the police radar, Mason flees across San Francisco in search for answers, desperate to find his tormentor before the SFPD arrest him. His only clue? Somebody wants revenge, and they'll stop at nothing to take it.

Your past stays with you. Peace doesn't. After coming to terms with his troubled past, Mason Black has found balance between his family and his career as a private investigator. For the first time in his life everything is going well—until Chris Healy arrives at the office. Three members of his family are reported missing, and Mason is hired to find them. But when a body is found with a message written just for him, Mason discovers the survivors were kidnapped by a man known only as Anarchy, who will stop at nothing as he forces Mason to play his twisted game. Mason Black returns for his final case, and this time he's up against a man with no rules, no morals, and no mercy. The end of the series is a home stretch packed with thrills and kills.

When fiction becomes reality, you need to watch your back. Returning to the San Francisco Police Department, Mason black has his hands full with a new kind of serial killer. Bodies are being discovered in the style of a popular book series, and only Drew Ackerman – the author of the novels – can assist in the killer’s capture. But Mason is otherwise occupied. With a baby on the way, and his girlfriend making him choose between his career and the child, his morals become clouded. He realises a sad truth… sometimes, doing the right thing comes at a cost.

You can’t escape your past. Mason Black is finding calm, fulfilling work as a private investigator, until Jacob Wright turns up at his door. Jacob’s family has recently been killed in an explosion with fifteen other tourists. The police are baffled as to who did it, but Jacob has a secret he can only share with Mason. With nowhere else to turn, Mason promises to find the killer and stop him before he targets another group of tourists. But he has to do it discreetly, or Jacob will be next on the list… taking Mason Black and his family with him.

\\ALL BOOKS IN THIS SERIES JUST 0.99 FOR A LIMITED TIME ONLY! \\Evil is best fought from within.When Mason Black is first called out to investigate the disappearance of three teenagers, he never truly believed he would find their bodies. Especially not with human bite marks embedded in their remains.While the police are breathing down his neck, Mason finds himself trapped in the deep underground world of a cannibalistic cult, working his way toward the truth from the inside. But then a shocking secret is revealed, and it will change his life forever.Monster wipes the serial-killer slate clean and introduces a new kind of psychopath. With the plot thickening in each chapter, you'll rush toward the end in a hungry effort to read every shocking twist in this brand-new crime thriller.