By Force of Arms — William C. Dietz

Colonel Bill Booly earned a promotion and well-deserved hero treatment for his troops after they stopped a mutiny against Earth's government. But now they face the ultimate challenge...

A DIFFERENT RACE

A "new" alien race, the Thrakies, has appeared, asking permission to settle in Confederacy space. Politics makes it happen, but with the arrangement comes...

A DIFFERENT DANGER

The Thrakies have been pursued for centuries, and through galaxies, by a fleet of bloodthirsty machines programmed to destroy them. And now a fanatical human has reprogrammed the killer technology -- to eliminate all sentient beings. The Confederacy and every one of its reluctant allies must unite to face the invasion, with a leader who is...

A DIFFERENT KIND OF HERO

General Bill Booly is leading the fight of his life. A battle for the future of every living being in the universe...