The Alien Within

From Author Wars - https://authorwars.com/publications/the-alien-within-53575.html

Overview:

Title: The Alien Within
Author: Ben Bova
Year: 1987
ISBN-10: 0727814052
Publisher: Severn House
Price: £9.95
Pages: 344
Binding: Hardcover
Type: Novel
Title Reference: The Alien Within
Notes: This title first published in Great Britain 1987 by SEVERN HOUSE PUBLISHERS LTD by arrangement with Methuen. First published in the U.S.A. by Tom Doherty Associated as Voyagers II: The Alien Within. Month from Locus1. Titled "The Alien Within" on cover and spine only. "Jacket illustration by Steven D. Begg" on rear flap of dustwrapper.