DC June, 1967
Reprints from Superboy #82, 92 and Adventure Comics #230, 287; 80 pg Giant-size; 80-page Giant-size #G47; Adventure Comics #230; Adventure Comics #287; G-35; Superboy #82; Superboy #92; Superboy and Krypto’s Most Terrific Battles
The War Against Superboy; Duel of the Superboys; Krypto’s Arch-Enemy; The Secret of the Flying Horse
Jerry Siegel, Otto Binder
John Sikela, George Papp, Curt Swan