Werewolves of Kregen by Alan Burt Akers

Having at last returned to his home empire, to his wife and his friends, Dray Prescot will learn that the vengeance of his defeated enemies has unleashed a final assault against Vallia and all that Dray holds dear. Nine occult curses. The first curse, the plague of murderous werewolves, takes Dray by surprise. Could his valor and courage, though tempered on the battlefields of alien suns, stand up against an unprecedented onslaught of warring witchcraft?

Werewolves of Kregen is the thirty-third book in the epic fifty-two book saga of Dray Prescot of Earth and of Kregen by Kenneth Bulmer, writing as Alan Burt Akers, and begins a new cycle of adventures. The series continues with Witches of Kregen.