Alex Rider, the spitting image of his father in so many ways, is about to find out just how closely he is his father's son. When Alex learns that his father was an assassin for Scorpia, the most powerful terrorist organization going, his world shatters. Now Scorpia wants Alex on their side, and Alex wages a war of conscience he no longer has the will to win. Until, that is, he learns of Scorpia's latest plot: an operation known only as "Invisible Sword" that will result in the death of thousands of people. Unless he can stop it first . . . . With a cliffhanger you'll want to read twice, Scorpiais the most intense thriller yet from bestselling author Anthony Horowitz.