Presented with an unexpected assignment, Alex Rider's greatest nemesis, Yassen Gregoravich, recalls his life and the path that led him to become an assassin while his one-time friend, Alex's uncle, became a spy.
- | Author: Anthony Horowitz
- | Publisher: Puffin Books
- | Publication Date: November 18, 2014
- | Number of Pages: 432 pages
- | Language: English
- | Binding: Paperback
- | ISBN-10: 014751231X
- | ISBN-13: 9780147512314