Tracy Yardley Biographie Contributions de Tracy Yardley Illustrations Dessins Sonic the hedgehog, 3, Sonic T03 La bataille pour Angel Island Ian Flynn Mana Books Sonic the hedgehog, 2, Sonic T02 Le retour du Dr Eggman Ian Flynn Mana Books Sonic the hedgehog, 4, Sonic T04 Infection Ian Flynn Mana Books Sonic the hedgehog, 1, Sonic T01 Le hérisson contre-attaque Ian Flynn Mana Books