Artemis Fowl and The Time Paradox (Artemis Fowl #6)Author/s: Eoin Colfer

Artemis Fowl is no stranger to trouble. In fact he’s a magnet for it. Man-eating trolls, armed and dangerous (not to mention high-tech) fairies, flame-throwing goblins – he’s seen the lot. He had decided to forego criminal activity of the more magical kind. However… Now his mother is gravely ill.