With the alien Dhryn following an instinct-driven migratory path through the inhabited spaceways--bringing about the annihilation of other races that lie along the star trail they are following--time is running out for all sentient life forms. Only Dr. Mackenzie Connor and her team can solve the deadly puzzle of the Dhryn and the equally mysterious Ro.

Regeneration 2007, Daw Books, New York, NY

ISBN-13: 9780756404116

Mass-market paperback

Regeneration 2006, Daw Books, New York, NY

ISBN-13: 9780756403454