THE COLORS OF THE DAY (310 pp.)Romaln GarySimon & Schuster($3.50.)
The French expression for love at first sight is un coup de foudrea crash of thunder. When Jacques Rainier meets Ann Garantier at a carnival in Nice, the crash is shattering. Rainier is a one-armed French intellectual with a two-fisted attitude toward love and war. For 15 yearsin Spain, the French air force, the R.A.F., the Maquishe has been fighting "to defend a civilization which, from the Virgin Mary, Dante, Petrarch and the Troubadors...to the humblest of our movies...has always celebrated the cult of...