Description from the book
To avoid the vengeance of the President, Vance Garamond took his faster-than-light spaceship on a last desperate flight into deep space looking for a signpost to the third habitable world.
He found Orbitsville - a Dyson sphere enclosing its own sun and with a surface area 625 million times that of Earth's
Four months later the President's fleet of seventy vessels took station outside the sphere's entrance...
Condition - good this is a well read copy. The covers have old creases in them as does the spine. The pages are yellowed but still completly readable.