Heavy Time - The Company Wars Series - by C. J. Cherryh

A future history spanning 5,000 years of human civilization. A blockbuster space opera of the rebellion between Earth and its far-flung colonies, Discovered alone and without his memory on his drifting ship, pilot Paul Dekker is accused of the murder of his crew members and he must rely on the help of renegade miner Morris Bird to learn the truth.BOOK 4