THE SUNDAY TIMES NUMBER ONE BESTSELLER Be careful before answering your next call.It could be the beginning of your worst nightmare. After a tough week, Tanya Kaitlin is looking forward to a relaxing night in, but as she steps out of her shower, she hears her phone ring. The video call request comes from her best friend, Karen Ward. Tanya takes the call and the nightmare begins. DetectivesRobertHunter and Carlos Garcia are thrown into a rollercoaster of evil, chasing a predator who scouts the s ...