Orbitsville

Orbitsville by Shaw, Bob. hardcover edition. ISBN: 9780586062081.

When the young son of Elizabeth Lindstrom, the autocratic president of Starflight, falls to his death, Vance Garamond, a flickerwing commander, is the obvious target for Elizabeths grief and anger. Which, since Elizabeth is not a forgiving employer, leaves Garamond little choice but to flee. And fleeing Elizabeths wrath means leaving the Solar System far behind, for ever, and hiding somewhere in deep space. Pursued remorselessly by Earths space fleet, the somewhere that Garamond finds is an unimaginably vast, alien-built, spherical structure which could just change the destiny of the human race...