CARSON OF VENUS, Edgar Rice Burroughs, (Venus Series #3)

On the mist-shrouded planet of Venus, advanced civilizations blessed with eternal youth co-existed with cities haunted by the living dead, while bloodthirsty man-beasts stalked the luminous nights. Earthman Carson Napier knew how to survive the planet's many perils-but now a merciless tribunal had condemned Carson's beloved princess Duare to death. To save her life, the courageous Earth man stole the only airplane on Venus. But on the lovers' flight to freedom, they learned that Duare's father had been captured by a mad dictator