There are her memories of the past: her childhood desire to become a heroine ("Heroines did what they wanted") . . . her marriage to G.P. Putnam, who promoted her to fame, but was willing to gamble her life so that the book she was writing about her round-the-world flight would sell out before Christmas.
There is the flight itself -- day after magnificent or perilous or exhilarating or terrifying day ("Noonan once said any fool could have seen I was risking my life but not living it").
And there is, miraculously, an island ("We named it Heaven, as a kind of joke"). And, most important, there is Noonan . . .