Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Der Richter und sein Henker is great for the student of Germ

The book has extensive footnotes, an extensive vocabulary and questions and exercises on every chapter. It is a well written detective novel by a world renown writer. The language is not too terribly difficult, depending on how precise you want to translate. Believe me, you will enjoy this book. It was made into a movie called, "The End of the Game", with Jon Voight, John Sutherland, Robert Shaw, Martin Ritt and Jacqueline Bisset.