Get ready for a heart-pumping thrill ride! Tess Gerritsen calls [book title] 'the most gripping, high-octane thriller I've read in a long time'. As the latest USA Today bestseller, this action-packed page-turner puts Evan Smoak - an ex-secret government agent turned lone wolf - on the run for his life. Will he outrun the forces hunting him? Dive into this pulse-pounding adventure to find out!