Empire by Clifford D. Simak

Ludwig Stutsman pressed his thin, straight lips together. "So that's the setup," he said.

Across the desk Spencer Chambers studied the man. Stutsman was like a wolf, lean and cruel and vicious. He even looked like a wolf, with his long, thin face, his small, beady eyes, the thin, bloodless lips. But he was the kind of man who didn't always wait for instructions, but went ahead and used his own judgment. And in a ruthless sort of way, his judgment was always right.