Skeleton Key - Antony Johnston

Reluctant teenage superspy Alex Rider is useful to MI6 in ways an adult could never be. Now they need his help once again. But a routine reconaissance mission at the Wimbledon Tennis Championships sets off a terrifying chain of events for Alex that sees him on the run from a murderous Chinese triad gang. Forced to hide out, Alex is sent to Cayo Esqueleto - Skeleton Key - an island near Cuba. Waiting for him there is General Alexei Sarov - a coldly insane Russian with explosive plans to rewrite history. Alex faces his most dangerous challenge yet. Alone, and equipped only with a handful of gadgets, Alex must outwit Sarov as the seconds tick away towards the end of the world...