Wonder Woman has been fighting for women’s rights for a very long time, battles hard fought but never won.
-- Jill Lepore (Foreword paragraph 2)

Importance: This is an early example of Lepore intrinsically linking Wonder Woman to feminism. It also foreshadows that Wonder Woman was not completely successful in her mission.

Marston had a hidden self, too. He kept it as well stowed as the flask of rye he tucked into the pocket of his coonskin coat – until, later in in his life, he spilled his secrets all over the pages of his comic book.
-- Jill Lepore (chapter 3 paragraph 3)

Importance: This foreshadows Marston's unorthodox lifestyle and choices. By leaving it vague, the author is able to titillate the reader without giving too much away.

Couldn’t this new kind of storytelling reveal this character’s hidden self – Mr. Hyde – and reveal, too, how the mind works, how a man sees and knows, remembers and forgets, feels and deceives?
-- Jill Lepore (chapter 4 paragraph 1)

Importance: Lepore uses...