Sonic Universe #10

"Echoes of the Past Part Two": As Knuckles' friends try to valiantly defend the Master Emerald against a seemingly never-ending horde of robots, Knuckles delves deeper into the mysteries surrounding him . . . until he finally finds Dr. Finitevus! Knuckles is bent on revenge, but he's not counting on the surprise twist that will delay his quest. You can't afford to miss this exciting, action-packed issue!