"An exceptional, fast-paced thriller featuring a tech-empowered assassin whose pattern and objective you've never seen before, chased by a heroine with tenacious grit."--David Brin, author of The Postman and Existence Quinn Mitchell is a nine-to-five spy--an intelligence analyst for the CIA during the day, and a suburban wife and mother on evenings and weekends. After her young daughter is killed in a tragic accident, sending...