The Artemis Fowl series by Eoin Colfer follows Artemis Fowl II, a brilliant young criminal mastermind who discovers that fairies and other magical creatures secretly exist beneath the human world. What begins as a scheme to exploit the hidden fairy civilisation soon pulls Artemis into dangerous adventures involving underground cities, advanced magical technology, ancient rivalries and high-stakes battles. Blending fantasy, science fiction, humour and action, the series follows Artemis as he navigates increasingly complex relationships with both humans and magical beings while facing threats that could endanger both worlds.