STAR TREK : MY ENEMY, MY ALLY by Diane Duane, Paperback Novel, 1st UK Edition 1989. Published by Titan Books Ltd.
 
A brand new unread copy in NM condition.
 
Ael t' Rlailiiu is a noble - and dangerous - Romulan Commander. But when the Romulans kidnap Vulcans to genetically harness their mind power, Ael decides on treason. Captain Kirk, her old enemy, joins her in a secret pact to destroy the research laboratory and free the captive Vulcans. When the Romulans discover their plan, the Neutral Zone seethes with schemes and counter-schemes, sabotage and war!