Sonic the Hedgehog #4

This volume collects issues #13-16 of IDW's ongoing Sonic the Hedgehog series, continuing the story after the 'Battle for Angel Island' arc. The 'Infection' storyline introduces a new threat as a mysterious virus begins spreading across the world, turning innocent animals into zombified beings under the control of Dr. Eggman. Sonic and his friends must race to find a cure while dealing with the escalating chaos and the emotional toll of seeing their allies fall to the infection.