Falcons of Narabedla (Unabridged‪)‬

A strange electrical power transports Mike Kenscott from the Earth he knows to the strange land of Narabedla in another man’s body. Now as Adric of the Crimson Tower, Kenscott must solve the mystery of Narabedla’s Dreamers or perish in a foreign world. 

A classic fantasy novel from Marion Zimmer Bradley.