The paperback indicia doesn’t include a publication date, but according to a couple of Web sites, the Paperback Library reprint edition of Danger Planet, which featured “Captain Future, inter-galactic agent of justice, whose identity is top secret, whose strength is ultimate,” was published in 1969, some 24 years after the original!

As you can see from the above image of the actual painting (which was painted on an 18.75 x 12.5 inch canvasboard panel!), the section with Frazetta’s signature, and much else, was cropped for the cover. Frazetta didn’t get an interior cover credit either. Because everybody knows it’s timeless action heroes like “Captain Future” that sell books, not cover artists…