EDEN CLOSE by Anita Shreve (Signet: $4.95). One violent night 20 years ago indelibly altered the fate of two teen-agers from rural Upstate New York.
THE KILLING MAN by Mickey Spillane (Signet: $4.95). "Please Hammer don't hurt 'em"--or words to that effect--will come to mind when the detective locates the culprits who beat his secretary within an inch of her life and cluttered his office with an unidentified body.
FACETS by Barbara Delinsky (Warner: $4.95). Passions explode when John St. George announces his engagement on national TV.
NEMESIS by Isaac Asimov (Spectra: $5.95). Noisy, overcrowded and dangerous conditions on Earth make Nemesis the hottest real-estate ticket in the galaxy.
MY TURN: The Memoirs of Nancy Reagan by Nancy Reagan with William Novak (Dell: $5.95). Mrs. Reagan recounts some of the White House incidents that made her see red.
THE COMING QUAKE: Science and Trembling on the California Earthquake Frontier by T. A. Heppenheimer (Paragon House: $12.95). Author discusses seismic activity that can and cannot portend earthquakes. A 1988 report from the U.S. Geological Survey came encouragingly close to pin-pointing the time and place of the quake that struck Northern California last year.
THE CUCKOO'S EGG by Cliff Stoll (Pocket: $5.95). A 75-cent discrepancy in his accounting program sent Stoll on the trail that would eventually lead him to KGB-backed computer infiltrators pilfering government secrets.
GRIT, GUTS AND GENIUS: True Tales of MegaSuccess: Who Made Them Happen and How They Did It by John Hillkirk and Gary Jacobson (Houghton Mifflin: $8.95). Mini-case studies of the eight common elements that link triumphant ventures from effective police precincts to Absolut Vodka and the California Raisins.