The Bettencourt Affair: The World's Richest Woman and the Scandal That Rocked Paris by Tom Sancton

Liliane Bettencourt, the L'Oréal heiress worth billions, became infatuated with a man 25 years her junior (a former Dalí protégé and an apparent social climber), giving him lavish gifts and even moving to adopt him. The story has all the trappings of a juicy affair, including graft and hidden Nazi sympathie