Conjure Wife

Professor Norman Saylor considered magic nothing more than superstition. Then he learned that his own wife was a practicing sorceress. But he still refuses to accept the truth...that in the secret occult warfare that governs our lives, magic is a matter of life and death. And that unbeknownst to men, every woman knows it.
Filmed twice, as "Weird Woman" (1944) and "Burn Witch Burn" (1961), this tale of secret witchcraft on a modern college campus is as readable today as the day it was written.