((1950s science fiction book cover)), 1950s aesthetic, ((stylized title at the top of the book cover is "FOUNDATION and FLUX")). epic space battle between two huge spaceships in orbit above a planet, small fighters whizzing around in a motion blur, explosions, laser bolts, atomic rays, gorgeous planet that is half ice and half green with blue ocean, lens flare. ((at the bottom is the text "by Isaac Asmiov"))