The cover of a book titled 'Nietzsche' with a portrait of Friedrich Nietzsche. The book is part of a series and has a purple and white color scheme. The title 'Nietzsche' is prominently displayed in white text on a purple background. The author's name, 'Martin Heidegger', is written in smaller text below the title. The series title 'VOLUMES ONE AND TWO' is also visible at the top of the cover.