Brightness reef. Originally published: U.S.: Bantam, 1995; London: Orbit, 1996 -- Infinity's shore. Originally published: U.S.: Bantam, 1996; London: Orbit, 1997 -- Heaven's reach. Originally published: U.S.: Bantam; London: Orbit, 1998.
This omnibus edition from best-selling author David Brin includes 'Brightness Reef', 'Infinity's Shore', and Heaven's Reach'.