As fans of teen spy Alex Rider know, nothing is more fun or mind-boggling than the gadgets that time and again help free him from tight spots, such as the Game Boy that doubled as a Geiger counter in Skeleton Key. Or the CD player with the fast-spinning saw blade in Point Blank that helped free Alex from a steel-barred window. Now, for the first time, readers everywhere can glimpse the secret files and blueprints that detail each gadget. It's almost as much fun as actually owning these techno-toys. . . .