Artemis Fowl - The Revenge

Since every memory of the underground realm has been erased from Artemis' mind, he is back to working as a master thief. Artemis and Butler are currently stealing the most secure painting in the world from a bank's high-security vault when the secret underground world is thrown into extreme danger: the criminal Opal Koboi has escaped her captors and is plotting dark revenge. About the series: Artemis Fowl is a series of novels by Irish author Eoin Colfer, classified in the fantasy/science fiction genre. Eoin Colfer tells the life story of the highly intelligent boy Artemis Fowl, who repeatedly encounters the so-called fairy folk, the last survivors of non-human civilizations that have retreated deep into the Earth's interior, as part of his schemes. The fairy folk are technically superior to humanity, yet they still hide from it.