POMPADOUR by Jacques Levron. 279 pages. St Martin's. $6.95.
If the infamous mistresses of France's famous Kings were fallen women, it was for years possible to envy them for having fallen in so lush a spot as the Palace of Versailles. Then historians began discovering that Versailles was a drafty place, where the public privies had no doors. Now along comes a
Frenchman named Jacques Levron with a revised portrait of Mme. de Pompadour, probably the richest and most celebrated courtesan of all time, as a woman harassed almost beyond human endurance by illness and...