Jacqueline Lee Bouvier Kennedy Onassis-better known as Jackie O. to the tabloids, "the deb" to the Kennedy clan, and the 35th First Lady to historians-is easily one of the most recognizable Presidential wives. She remains the model of the proper American woman. But what was Jackie O. hiding behind those big, dark shades?

From her New York society upbringing to her time in the White House to her days spent as a Doubleday editor, this is the ultimate biography of a woman everyone recognized but few knew.