Series numeration from www.goodreads.com.

Stone Barrington must trap a ruthless defector in this heart-stopping thriller from fan favorite Stuart Woods. Stone Barrington is trying to enjoy some downtime at his English retreat when he's unceremoniously sent off to the remote reaches of the UK and into a deadly snare. As it turns out, this is only the first volley by a rival power, one that has its eyes set on disrupting the peace of the nation. With the help of two brilliant and stunning women, Stone must leverage a new position of power to capture a villain with a lethal agenda. But the closer he comes to nabbing the culprit, the more he realises there's a bigger plan at work, and a true mastermind who's a force to be reckoned with ...