(W) Hidenori Kusaka (A) Satoshi Yamamoto The mystery of the Mega Evolution begins to unravel-new Pokémon join X and Y and their friends as they face an intensifying battle! Meanwhile, the headquarters of the Mega Evolution family, the Tower of Mastery, is under attack by a mysterious figure in a mechanical suit! Who is the masked marauder named Essentia?! For all ages. 9781974726639