A SPORT AND A PASTIME by James Salter. 191 pages. Doub/eday. $4.50.
France's no-longer-new New Novelists have found few imitators in the U.S. James Salter, 40, is one of the exceptions. His model seems to be Alain Robbe-Grillet, who labors in his books to "construct a space and time purely mental, that of a dream or memory." Perhaps in tribute, Salter sets his third book in France. His subject is the love affair between Anne-Marie Costallat, an 18-year-old who looks like a child but eats like a dock hand, and young Phillip Dean, a Yale dropout who has been wandering through Europe...