Detective Comics #423 (DC, 1972 — Cover A)
DC Comics · Detective Comics (1937-2011) · 37 pages · Published 1972-05-03
- Frank Robbins — Writer
- Jack Lehti — Penciller
- Don Heck — Penciller
- Bob Brown — Penciller
- Irwin Hasen — Penciller
- Dick Giordano — Inker
- Jack Lehti — Inker
- Irwin Hasen — Inker
- Don Heck — Inker
- Michael Kaluta — Cover Artist
"THE MOST DANGEROUS TWENTY MILES IN GOTHAM CITY." Batman helps foolproof a way to transfer a Communist spy to his masters in an exchange, in order to prevent a right-wing group from assassinating the agent during the process.
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