If Dr. Alara Calladar doesn't make love to a man soon, her cells will fail to regenerate and she'll die. Unfortunately, her only option is an enemy--Rystani starpilot Xander, her abductor and a member of the race who has been battling hers since the beginning of time. Original.

The Ultimatum 2013, Bell Bridge Books

ISBN-13: 9781611943221

Trade paperback

The Ultimatum 2006, Tor Books, New York, NY

ISBN-13: 9780765354488

Mass-market paperback