Action Comics (1938-2011) #538

Cover art by Rich Buckler and Dick Giordano. The Measure of a Superman! starring Superman and Jackhammer, script by Mike Barr, pencils by Irv Novick, inks by John Calnan. Mera, Mera, on the Wave--Who's the One You've Got to Save? starring Aquaman, script by Bob Rozakis, pencils by Alex Saviuk, inks by Frank McLaughlin.