"Countess Kathleen" is a dramatic poem by the famous Irish poet William Butler Yeats, which was published in 1892. The book tells the story of a young countess, Kathleen, who sells her soul to the devil to save her serfs from starvation. This is a tragic and at the same time beautiful story about moral choice, sacrifice and devotion. The work makes the reader think about the price that has to be paid for the salvation of others and the complex struggle between good and evil. "Countess Kathleen" is a masterpiece of literature that remains relevant and impressive for all time.