Demons are beginning to materialize without warning on Earth.&nbsp; If humans were to capture one, all fairies would be exposed. In order to protect themselves, the fairies must decipher complicated equations to determine where the next demon will appear.&nbsp; Not even the brilliant Foaly can make heads or tails of the formulas - but he knows someone who can: Artemis Fowl.<BR><BR>When a very confused demon imp appears in a Sicilian theater, Artemis is there to meet him. &nbsp;But he is not alone.&nbsp; Someone else has unlocked the secrets of the fairy world…and she is only twelve years old. Now, in a race against time, a newly-reformed Artemis Fowl will have to dip into his bag of dirty tricks if he is to save his fairy friends from his latest nemesis, not to mention a power hungry demon warlord who is poised to invade our dimension with his savage army.&nbsp;<BR><BR>