DC · May, 1959
1st Appearance of Gorilla City; 1st appearance of Gorilla Grodd; 1st appearance of The Pied Piper; Origin of Gorilla Grodd; Origin of Pied Piper
Menace of the Super-Gorilla!; educ: Flash Facts; educ: Comparative Speed Records!; Amazing Apes! (text)
Writer: John Broome
Artist: Carmine Infantino