It has been a week since anyone last saw fifteen-year-old Daisy, after she left her best friend's house and started her short walk home. Detective Kate Matthews and her team have been looking for her ever since. When a tip-off leads Kate to a disused gymnasium at Daisy's school, she is shocked to find evidence linking to the murder of a different girl. Working the two cases side by side, Kate's blood runs cold when a gift-wrapped box containing a human heart is delivered to her at the station. The heart belongs to yet another unknown victim, but the message is clear: there will be more, and Daisy could be one of them. When activity on Daisy's Facebook account indicates she is still alive, the race is on for Kate and her team. Will Daisy be the killer's next victim? Is Kate prepared to risk everything to stop another innocent life from being taken? This absolutely unputdownable crime thriller will have fans of Angela Marsons, Peter James and Rachel Abbott biting their nails long after the final twist has sunk in. What readers are saying about Cold Heart: 'Woah!! Now this is a thriller! This is my first time reading a book by this author, and it won't be my last! His writing is so full of suspense!! And the twists!! Holy guacamole!! This is a DEFINITE MUST READ!!' Netgalley Reviewer, 5 stars 'Boom! What a bloody fantastic book. Wow what can I say, this book was amazing… Totally didn't see the ending coming, it was captivating, suspenseful and unputdownable. I was hanging on to every word not wanting to stop reading because I just had to know what was going to happen next… I want to give this six stars!' Bonnie's Book Talk, 5 stars 'This book is really good and had me turning page after page. In fact, I read this in as close to one sitting as any book I've ever read.' Nigel Adams Bookworm, 5 stars