Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Door_Through_Space

Release date is 2006-11-06

Produced by Gregory D. Weeks, Jason Isbell, Irma Spehar
and the Online Distributed Proofreading Team at
http://www.pgdp.net

"The Door Through Space" by Marion Zimmer Bradley is a science fiction novel published in 1961. On a harsh world called Wolf, an intelligence agent navigates deadly intrigue in the Dry Towns of the north, where blood feuds run deep and danger lurks beneath a red sun. This planetary adventure features chained women, catmen, nonhumans, and the mysterious Ghost Wind. Bradley's first novel blends espionage with alien cultures in a Terran Empire setting, creating an atmospheric tale of survival and secrets. (This is an automatically generated summary.)

Original publication data not identified