DCI Matilda Darke is back. And it might be her most personal case yet. Pre-order the most intense new thriller yet from Michael Wood! FIVE PERFECT MURDERS DCI Matilda Darke receives an anonymous email from someone claiming to have committed the perfect murder. Experience tells her this isn't possible, but as she investigates, she discovers a killer questioning everything she's ever known. HIDDEN IN PLAIN SIGHT Now, Matilda is on the trail of a murderer who targets the most vulnerable people in society. Apart from 'With Sympathy...' cards, hand delivered to the family of his victims, he leaves no trace of his crimes. A KILLER'S DEADLY GAME As the threat escalates, and those closest to Matilda are targeted, she finds herself isolated and alone in bringing down her opponent before it's game over. After all, there can only be one winner in this game of cat-and-mouse, and the clock is ticking...