Lord Kalvan of Otherwhen Author:H. Beam Piper Calvin Morrison is a Pennsylvania State Trooper who suddenly finds himself lifted out of his (our) world, and deposited on a parallel Earth. In this other Pennsylvania he finds a small kingdom of bearded primitives who appear to be on the losing end of a war of conquest. The locals have so little gunpowder compared to their enemies because the s... more »ecret of making it is controlled by a corrupt religious order, Styphon's House. Calvin, a student of military history, finds himself proclaimed Lord Kalvan, and given the job of rescuing a seemingly hopeless situation.« less