"The Sun Also Rises" by Ernest Hemingway; discusses aimlessness caused in lives of characters by WWI

In Ernest Hemingway's The Sun Also Rises, the narrator, Jake Barnes, describes Robert Cohn, a rich Jew who graduated from Princeton with low self-esteem, an unsuccessful marriage, and a vanished inheritance. Cohn moves to Paris to write a novel and is accompanied by a manipulative woman named Frances. After selling his novel in America, Cohn returns to his former home with an attitude of arrogance and a hunger for excitement, and frequently pesters Jake.
The Sun Also Rises documents the people who came to be known as the "Lost Generation," a generation of broken dreams and destroyed naivet…