Undercover in a poisonous world, teen spy Alex Rider is back for his seventh adrenalin-rush adventure! Undercover in a poisonous world, teen spy Alex Rider is back for his seventh adrenalin-rush adventure! In the seventh book in the number one bestselling Alex Rider series by Anthony Horowitz, teenage spy Alex is forced into the Australian secret service. His target is the criminal underworld of South East Asia, and a ruthless organization known as the Snakehead.