"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. Karen is gagged and bound to a chair in … Continue reading #BookReview: The Caller by Chris Carter @simonschusterUK #TheCaller #DetectiveRobertHunter #20BooksofSummer