Batman #317

In "The 1,001 Clue Caper or Why Did the Riddler Cross the Road?", Batman and Robin face a cerebral challenge when a mysterious book of 1,001 riddles—autographed by the Riddler himself—leads them down a trail of cryptic clues. Written by Len Wein and illustrated by Irv Novick, with inks by Frank McLaughlin and colors by Glynis Wein, the story unfolds with the precision of a puzzle, all under Dick Giordano’s sharp cover art.