by ERICH SEGAL
264 pages. Harper & Row. $7.95.
Erich Segal should sue. Someone who looks like him, talks like him and thinks like him is running around the TV talk shows claiming that Oliver's Story is better than Love Story. Not that Love Story was so goodin any way. It is simply that the sequel is so wretchedin every way.
Oliver's Story begins in June 1969, 18 months after the death of Oliver's wife Jenny. Oliver Barrett IV has turned his back on his proper Boston family and an impressive textile fortune, and sunk himself...