World's Finest Comics #78 (DC, 1955 — Cover A)
DC Comics · World's Finest Comics (1941-1986) · 12 pages · Published 1955-09-07
- Edmond Hamilton — Writer
- Dick Sprang — Penciller
- Win Mortimer — Cover Artist
- Stan Kaye — Inker
Someone has been announcing that Clark Kent is Superman and challenging Superman to prove it false. Superman asks Batman and Robin to help him find the culprit. Contains only the Batman and Superman storyline.
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