The Asteroid Wars #2: The Rock Rats by Ben Bova

Visionary Dan Randolph is dead, but his protégé, pilot Pancho Barnes, sits on the board of his conglomerate. Randolph’s rival Martin Humphries wants to control Astro and drive independent asteroid miners like Lars Fuchs out of business. Humphries wants revenge against Pancho, and flame Amanda, now wife to Lars. Many will die. Many will thrive.