"Die Leiden des jungen Werthers" ("The Sufferings of Young Werther") is a book written in the form of letters. Werther is a young man who falls passionately in love with a girl called Lotte who is married to someone else. Werther kills himself in the end. The book was very successful all over Europe. People talked about “Werther fever.” Many young men who were disappointed in love copied Werther and killed themselves.