362 pp. There was no more exhilarating decade in the history of modern letters than the twenties in Paris. They were all there: Ezra Pound, Ernest Hemingway, Gertude Stein, James Joyce, John Dos Passos, F. Scott Fitzgerald, Mina Loy, T. S. Eliot, Djuna Barnes, Ford Madox Ford, Katherine Mansfield, Alice B. Toklas... and with them were Robert McAlmon and Kay Boyle.