The Big Black Mark Author:A. Bertram Chandler Adrift Between The Stars — The fabulous career of John Grimes from ensign in the Galactic Federation to admiral of the Rim Worlds has been chronicled over the years in dozens of gripping novels and short stories, But the pivotal account of Grimes' career-the big black mark on his service record that forced him to change his loyalties had... more » never been recorded.« less