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

Thus Spoke Zarathustra

Existentialism: Figuring out the Meaning of Life and Ethics with the Great Philosophers

Human, All Too Human: A Book for Free Spirits

On the Genealogy of Morality

Skeptical Thinking: Understanding Stoicism, Existentialism, and Other Philosophies in Life

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

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

The Courage to Be

Philosophers: The Greatest Philosophers and Thinkers of the World

Skepticism: The Stoic, the Skeptic, and the Existentialist Thinkers of the World

Being and Nothingness

Stoicism: Learning about Stoicism, Skepticism, and Existentialism

Yes to Life: In Spite of Everything

The Classic Collection of Soren Kierkegaard: Fear and Trembling, Philosophical Fragments, Sickness Unto Death

Existentialist Thinking: Skepticism and Existentialism Explained in Detail

Summary of Sarah Bakewell's At the Existentialist Café

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

All Things Are Possible