Sharks. Assassins. Nuclear bombs. Alex Rider’s in deep water .

When a routine reconnaissance mission sets off a terrifying chain of events, Alex is forced to hide out.

The reluctant teenage superspy is sent to skeleton key -an island near Cuba- where General Sarov is hatching

explosive plans to rewrite history. Alone, and equipped only with a handful of gadgets, Alex must outwit Sarov as the seconds tick away towards the end of the world ..