“Oh, you know me, Jack. I have three lives. Public, private, and secret.”

Those were Jacqueline Kennedy Onassis’s words to the acclaimed architect John Warnecke in 1989, about a week before her 60th birthday. Warnecke recalled them to me almost 10 years later when I interviewed him for Jackie, Ethel, Joan—Women of Camelot, the first of my five Kennedy books.