An army of fairy space probes has returned to Earth reprogrammed to destroy Atlantis - and only Artemis Fowl can stop them. As he races to save the subaquatic city, the young mastermind must also combat an onslaught of obsessive-compulsive and delusional disorders, both by-products of prodigious intellect and immense stress at an early age... The seventh suspenseful book in the Artemis Fowl series, from bestselling author Eoin Colfer.