Existentialist Thinking: Skepticism and Existentialism Explained in Detail

Thus Spoke Zarathustra

Skepticism: The Intelligent Way of Changing Your Perspective and Outlook on Life

Human, All Too Human: A Book for Free Spirits

Skeptical Thinking: How to See Life through the Eyes of Skeptics and Existentialists

Man's Search for Meaning: An Introduction to Logotherapy

On the Genealogy of Morality

Philosophy: Movements of Stoicism, Existentialism, and Others

Summary of Viktor E. Frankl's Man's Search for Meaning

Philosophers: The Greatest Philosophers and Thinkers of the World

The Courage to Be

Stoicism: Learning about Stoicism, Skepticism, and Existentialism

Being and Nothingness

The History of Philosophy: Thoughts from Existentialism, Stoicism, and Skepticism

Yes to Life: In Spite of Everything

Critical Thinking: Skills to Contemplate Life, Nature, the Human Race, and More

The Sickness Unto Death: A Modern Translation for the 21st Century

Summary of Sarah Bakewell's At the Existentialist Café

Notes from an Apocalypse: A Personal Journey to the End of the World and Back