A RAKE AND HIS TIMES (280 pp.)John H. WilsonFarrar, Straus & Young ($4).
RAKE ROCHESTER (224 pp.]Charles NormanCrown ($3).
King Charles II believed in God, but pictured him as an easygoing fellow who would not "make a man miserable . . . for taking a little pleasure out of the way." This belief enabled Charles to 1) get a great deal of pleasure out of a multitude of mistresses, 2) swell the British peerage with royal by-blows. 3) set an example that his courtiers were happy to follow. Like crumbs from the royal table, his discarded ladies were snapped up first by noble...