Existentialism

Zones of the Spirit: A Book of Thoughts

The Essence of Christianity

Thus Spake Zarathustra: A Book for All and None

David Strauss: The Confessor and the Writer

Schopenhauer as Educator

An Essay Towards a New Theory of Vision

Consolations in Travel; or, the Last Days of a Philosopher

First and Last Things: A Confession of Faith and Rule of Life

Thus Spoke Zarathustra, Beyond Good and Evil, Hellenism & Pessimism

The Essays of Arthur Schopenhauer; Counsels and Maxims

Amiel's Journal: The Journal Intime of Henri-Frédéric Amiel

Measuring Tools

Is Life Worth Living

Human, All Too Human: A Book for Free Spirits

The Drama of Love and Death: A Study of Human Evolution and Transfiguration

Eureka: A Prose Poem

Life's Basis and Life's Ideal: The Fundamentals of a New Philosophy of Life

Treading the Narrow Way

All Things are Possible

The Essays of Arthur Schopenhauer: the Wisdom of Life