Seemingly nothing in this world daunts the young criminal mastermind Artemis Fowl. In the fairy world, however, there is a small thing that has gotten under his skin on more than one occasion: Opal Koboi. In The Last Guardian, the evil pixie is wreaking havoc yet again. This time his arch rival has reanimated dead fairy warriors who were buried in the grounds of Fowl Manor. Their spirits have possessed Artemis's little brothers, making his siblings...

Artemis Fowl creates an extraordinarily powerful computer with stolen fairy technology, but his business deal hopes go sour when a Chicago businessman steals his invention and mortally wounds Artemis's loyal bodyguard.

Lo que él todavia no sabe es que sus habitantes: hadas, duendes, elfos..., no son las criaturas maravillosas que siempre hemos imaginado y no van a consentir que un humano conozaca sus secretos más sagrados.Como él, van armados hasta las barbas y conocen las últimas tecnologías: se prepara un trepidante duelo que puede provocar una auténtica guerra entre las especies del planeta.