The Flash 1959 #248 - 5.0 - $5.00

A teenager's drawing of a character called "Master Criminal" comes to life to menace the Flash.

On-sale date from Comic Reader #139.

• - Colors credit provided by Anthony Tollin.
• The Whole World's Upside Down - Inside front cover.
• Challenge of the Cardboard Criminal! - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.