ALEX RIDER'S LIFE CHANGED WITH ONE BULLET AND THE PULL OF A TRIGGER. It was the cold-blooded contract killer Yassen Gregorovich who changed Alex Rider's life. Aged just fourteen, Alex was thrust into the chaos of international espionage—the world's only teenage spy. The two have been mortal enemies ever since. Yet, as a boy, Yassen was mentored by someone very much like Alex. What turned him into such a ruthless assassin? In some ways, Alex and Yassen are mirror images of each other. One chose to be a hero. The other chose evil. This is Yassen's story. A journey down a darkened path. International #1 bestselling author Anthony Horowitz delivers an unforgettable thrill ride in this Alex Rider novel.