Johannes von Tepl's 'Der Ackermann aus Böhmen' is a seminal work in medieval German literature, written in Middle High German in the 15th century. The book revolves around a dialogue between Death and a farmer, the Ackermann, who is grieving the loss of his wife. Through this dialogue, the book explores themes of mortality, justice, and the human condition. Von Tepl's writing style is characterized by intricate symbolism, allegory, and philosophical depth, making 'Der Ackermann aus Böhmen' a challenging but rewarding read for those interested in medieval literature.