Frontier of the dark
A. Bertram Chandler, Attila Hejja (Illustrator)
"The Mannschenn Drive was the gateway to the stars, but it had one unfortunate side effect: Traveling faster than light, mankind reverted to the bestial form of his own legendary nightmare, the lycanthropic horror that the full moon once called forth from the soul's depths, now no longer howling at the moon but soaring far beyond it ..."--Page 4 of cover
Print Book, English, 1984
Ace Science Fiction Books, New York, N.Y., 1984