As the Green Star Rises

In the marvel-adventure sagas of Edgar Rice Burroughs, Otis Adelbert Kline, and John Norman, has there ever been a situation such as befell the Earthling who found his way to the world under the Green Star? For while his real body lay crippled and silent under the sun of old Earth, his mind occupied the vigorous body of a young primitive on that alien planet of mighty trees, floating cities, and u...