If the invention of literary modernism is usually attributed to James Joyce, T. S. Eliot and Ezra Pound, it was Pound alone who provided (in Hugh Kenner's words) the synergetic presence) to convert individual experiment into an international movement. In 1926 Pound carefully sculpted his body of shorter poems into a definitive collection which would best show the concentration of force, the economy of means, and the habit of analysis that were, to...