Showcase 20

"Prisoners of 100 Million B.C." is the story title to the twentieth issue of the comic book anthology series Showcase published by DC Comics. The story was written by Dave Wood with artwork and inks by Ruben Moreira. It features a cover art illustration rendered by Bob Brown. The story was edited by Jack Schiff with Murray Boltinoff and George Kashdan as associate editors. This issue shipped with a May-June, 1959 cover date and carries a cover price of .10 cents per copy.

Appearances