This list in under construction while I think of a better way of categorizing these works. This is not a comprehensive list because I don't remember everything I've ever read, and I consistently forget to update this website.

Writing & Editing

Bird by Bird: Some Instructions on Writing and Life by Anne Lamott

Garner's Modern English Usage by Bryan A. Garner

The Copyeditor's Handbook: A Guide for Book Publishing and Corporate Communications, Revised, Updated, and Expanded by Amy Einsohn, Marilyn Schwartz

The Ode Less Travelled: Unlocking the Poet Within by Stephen Fry

Everybody Writes by Ann Handley

The Chicago Manual of Style 17th Edition: The Essential Guide for Writers, Editors, and Publishers by the University of Chicago Press

The Complete Handbook of Novel Writing: Everything You Need to Know to Create & Sell Your Work by the Editors of Writer's Digest

Creativity

Design Thinking: Process & Methods 5th Edition by Robert Curedale

The Alter Ego Effect by Todd Herman

Nonfiction

The Life of a Stupid Man by Ryūnosuke Akutagawa

Mythologies by Roland Barthes

The Work of Art in the Age of Mechanical Reproduction by Walter Benjamin

The Hero with a Thousand Faces by Joseph Campbell

The Hero's Journey by Joseph Campbell

Transformations of Myth Through Time by Joseph Campbell

The Masks of God by Joseph Campbell

Myths to Live By by Joseph Campbell

Creative Mythology by Joseph Campbell

Tarot Revelations by Joseph Campbell

The Wisdom of the Heart by Henry Miller

All Art is Propaganda by George Orwell

Why I Write by George Orwell

Night by Elie Wiesel

Fiction

Outer Dark by Cormac McCarthy

Blood Meridian by Cormac McCarthy

The Road by Cormac McCarthy

No Country for Old Men by Cormac McCarthy

All the Pretty Horses by Cormac McCarthy

The Stranger by Albert Camus

No Longer Human by Osamu Dazai

You Are Not a Stranger Here by Adam Haslett

The Things They Carried by Tim O'Brien

1984 by George Orwell

The Book Thief by Markus Zusak

Philosophy

Resistance, Rebellion, and Death by Albert Camus

The Fall by Albert Camus

The Rebel by Albert Camus

Myth and Reality by Mircea Eliade

The Myth of the Eternal Return by Mircea Eliade

All About Love by bell hooks

The Will to Change by bell hooks

Either/Or by Søren Kierkegaard

Fear and Trembling by Søren Kierkegaard

Repetition by Søren Kierkegaard

The Concept of Anxiety by Søren Kierkegaard

The Sickness Unto Death by Søren Kierkegaard

The First and Last Freedom by Jiddu Krishnamurti

Think on These Things by Jiddu Krishnamurti

Beyond Good and Evil by Friedrich Nietzsche

God is Dead by Friedrich Nietzsche

The Birth of Tragedy by Friedrich Nietzsche

The Gay Science by Friedrich Nietzsche

Thus Spoke Zarathustra by Friedrich Nietzsche

Politics

The Wretched of the Earth by Frantz Fanon

Manufacturing Consent: The Political Economy of the Mass Media by Edward S. Herman and Noam Chomsky

Change the World Without Taking Power: The Meaning of Revolution Today by John Holloway

The Soul of Man Under Socialism by Oscar Wilde

Psychology

The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma by Bessel van der Kolk

Answer to Job by Carl Jung

Aspects of the Feminine by Carl Jung

Aspects of the Masculine by Carl Jung

Man and His Symbols by Carl Jung

Modern Man in Search of a Soul by Carl Jung

Mysterium Coniunctionis by Carl Jung

Psychology and Alchemy by Carl Jung

Psychology and Religion by Carl Jung

Seven Sermons to the Dead by Carl Jung

Symbols of Transformation by Carl Jung

The Archetypes and the Collective Unconscious by Carl Jung

Other

A Pattern Language: Towns, Buildings, Construction by Christopher Alexander, Sara Ishikawa, and Murray Silverstein

New Age Religion and Western Culture: Esotericism in the Mirror of Secular Thought by Wouter J. Hanegraaff