Adventure Comics (1938 1st Series) #448
Cover art by Jim Aparo. Crown, Crisis and Cataclysm starring Aquaman, Black Manta, Aqualad, Aquagirl, Mera, Aquababy, Karshon [The Shark], Dr. Vulko, Mupo, and Aquaboy's father and mother, script by Paul Levitz (plot) and Martin Pasko (script), art by Jim Aparo; Aquaman battles Black Manta and Karshon, who is revealed as The Shark (a Green Lantern villain).
36 Pages, Full Color. Cover price $0.30.