Twilight of the Idols

Götzen-Dämmerung, oder, Wie man mit dem Hammer philosophiert, 1889. Recommended translation: Nietzsche, Friedrich. Twilight of the Idols and The Anti-Christ. Translated by R. J. Hollingdale. London: Penguin Books, 1977.

Beyond Good and Evil

Jenseits von Gut und Böse: Vorspiel einer Philosophie der Zukunft, 1886. Recommended translation: Nietzsche, Friedrich. Beyond Good and Evil: Prelude to a Philosophy of the Future. Translated by Walter Kaufmann. New York: Random House, 1966.  

Thus Spoke Zarathustra

Also sprach Zarathustra: Ein Buch für Alle und Keinen, 1883. Recommended translation: Nietzsche, Friedrich. Thus Spoke Zarathustra: A Book for Everyone and No One. Translated by R. J. Hollingdale. London: Penguin Books, 1961.

The Gay Science

Die fröhliche Wissenschaft, 1882. Recommended translations: Nietzsche, Friedrich. The Gay Science, with a Prelude in Rhymes and an Appendix of Songs. Translated by Walter Kaufmann. New York: Random House, 1974. Nietzsche, Friedrich. The Gay Science (The Joyful Wisdom). Translated by Thomas Common. New York: Macmillan Co., 1924.

Untimely Meditations

Unzeitgemässe Betrachtungen, 1876. Nietzsche, Friedrich. Untimely Meditations. Edited by Daniel Breazeale. Translated by R. J. Hollingdale. Cambridge: Cambridge University Press, 1983, 1997.