Adventure Comics #255

0. Cover penciled by Curt Swan, inked by Stan Kaye, lettered by Gaspar Saladino. 1. The Splitting Superboy (written by Otto Binder, drawn by George Papp, lettered by Joe Letterese / Martha Kent, Jonathan Kent, Lana Lang, Superboy [Clark Kent]). 2. Casey the Cop (short comic story by Henry Boltinoff / reprinted from Gang Busters #40). 3. Sharing -- The United Nations Way! (Public service announcement, written by Jack Schiff, drawn by George Roussos, lettered by Gaspar Saladino). 4. The War that Never Ended! (Written by Dave Wood, drawn by Jack Kirby, inked by Rosalind Kirby (background), lettered by John Duffy? / Green Arrow [Oliver Queen], Speedy [Roy Harper]). 5. Smallville Mailsack (letters page). 6. Aquaman's Double Trouble! (Written by Robert Bernstein, drawn by Ramona Fradon, lettered by John Duffy?).