Action Comics (1938-2011) #621

“GREMLINS.” Hal Jordan saves an alien spaceship and begins a new job, but what is wrong with his power battery? Deadman and Madame Waxahachie continue their search for the Peckshaw twins in “GRAVE DOINGS” part four. Plus, “GUESS WHAT WE LEARNED TODAY.” The Secret Six make a significant discovery in their search for Mockingbird!