Divergence - Heritage Universe, Bk 2 by Charles Sheffield
ISBN-13: 9780345369383
ISBN-10: 0345369386
Publication Date: 1/13/1992
Publisher: Del Rey
Paperback
4.1 x 6.95 inches, 295 pages

In the aftermath of the "summertide" that nearly destroyed twin planets of Opal and Quake, a few humans and aliens representing various civilized worlds confront the remnants of an ancient technology and discover a threat to life as they know it. Excitement builds rapidly in this fast-paced sequel to Summertide.