Time and Again
Tim Harper, late of 20th century Boston, was an Agent of the Algheran Time-Travel Project, attempting to save the planet from nuclear holocaust by altering the outcome of a pivotal battle 90,000 years in the future.
But changing the course of a war was not so simple. Harper's army was not prepared to win, and besieged in the pastoral hamlet of Midpassage, he was alone in his quest, deserted by his fellow agent, the telepath Kylene--who had stolen his time machine for a private mission of revenge.
Both Harper and Kylene had some lessons to learn about the perils and paradoxes of time travel. And as Harper struggled to win a war he shouldn't have been fighting, and Kylene confronted the true meaning of love and loyalty, they could only hope that death was not the final barrier it seemed...