Artemis Fowl has long used high-tech fairy magic to mastermind the world's most devious criminal activity. Now, at a conference in Iceland, Artemis gathers the fairies to present his latest scheme: a way to save the planet from global warming. But something is terribly wrong: Artemis has become nice! Dabbling with fairy magic has damaged his mind and destroyed his ruthless streak. , , Which is deadly bad news, because right now he needs it more than ever. The subterranean volcanoes are under attack from vicious robots - and if Artemis can't stop them, no-one can. Can Holly get the real, wicked Artemis back, before the robot probes destroy every form of life on Earth?