written by Christopher Stasheff
published in 1988
novel no. 7 in the Warlock Of Gramarye series
novel
Beyond science and sorcery, time and space, the enemies of peace once again come to the planet Gramarye. Their mission: to tempt the clergy with visions of power, and lead them in war against the throne to establish a theocracy. Only warlock Rod Gallowglass can stop it - or burn at the stake for trying..