Artemis Fowl- The Eternity Code - Eoin Colfer

The fourteenth years old Artemis Fowl is a criminal genius.Artemis robbed fairy technology and constructed a computer the size of a cube that could do everything. Artemis wanted to have a pact with Mr.Spiro but even if Butler was with him things didn't go as he wanted . Butler was killed and Artemis had to trick the fairies, when Captain Holly Short comes Artemis explains her everything she helps him, bringing back to life Butler. With Butler's sister and Mulch Diggumms at his help Artemis creates a plan to get the cube. When Artemis gets to Jon Spiro's fortress he understand that without Foaly's help it will be difficult to success in the plan . But at the end of the book Spiro discovers that the "Artemis" that was with Spiro was only a Sim that Foaly created.