All-Flash Quarterly #21 (1945)

All-Flash Quarterly #21, a comic book published in 1945, features the superhero The Flash as he battles against the villainous Thinker. The story follows The Flash as he tries to stop the Thinker from using his mind control helmet to take over the city. Along the way, The Flash encounters various obstacles and must use his superhuman speed and intelligence to overcome them.

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