'Let me tell you about the very rich. They are different from you and me....' Fitzgerald could have been describing Emily Castleton , one of his most fabulous flappers. This arch-type of the poor little rich girl was different from everyone. At twenty-four, Emily's score was one affair, many engagements, and an embittered heart when she settled for Brevoort Blair-the catch of the year. A quarter of a million dollars' worth of gifts poured in. A thousand guests crowded the church. The music began. But no bride came down the aisle, for Emily had left for Europe to find her destiny ...