Teenaged criminal mastermind Artemis Fowl must save the underwater fairy metropolis of Atlantis from danger, while battling a psychological affliction known as the Atlantis Complex.

When 15-year-old Clary Fray heads out to the Pandemonium Club in New York City, she hardly expects to witness a murder -- much less a murder committed by three teenagers covered with strange tattoos and brandishing bizarre weapons. Then the body disappears into thin air. It's hard to call the police when the murderers are invisible to everyone else and when there is nothing -- not even a smear of blood -- to show that a boy has died. Or was he a boy?...

With Saint Dane seemingly on the verge of toppling all of the territories, Pendragon and Courtney set out to rescue Mark and find themselves traveling--and battling--their way through different worlds as they try to save all of Halla.