On the Origin of Species - Charles Darwin

The God Delusion - Richard Dawkins

The Selfish Gene - Richard Dawkins

Science in the Soul - Richard Dawkins

The Blind Watchmaker - Richard Dawkins

The Mismeasure of Man - Stephen J. Gould

Wonderful Life: The Burgess Shale and the Nature of History - Stephen J. Gould

One Long Argument: Charles Darwin and the Genesis of Modern Evolutionary Thought - Ernst Mayr

Systematics and the Origin of Species from the Viewpoint of a Zoologist - Ernst Mayr

The Logic of Scientific Discovery - Karl Popper

Popper Selections - Karl Popper

The Demon-Haunted World - Carl Sagan

Cosmos - Carl Sagan

The Elegant Universe - Brian Greene

Your Inner Fish - Neil Shubin

Some Assembly Required - Neil Shubin

The Guilded Dinosaur - Mark Jaffe

The Sixth Extinction - Elizabeth Kolbert

The Uninhabitable Earth - David Wallace-Wells

A Life on our Planet - Sir David Attenborough

Walden and Civil Disobedience - Henry David Thoreau

Walking - Henry David Thoreau

The Power of Now - Eckhart Tolle

A New Earth -  Eckhart Tolle

The Alchemist - Paulo Coelho

The Four Agreements - Don Miguel Ruiz

Man's Search for Meaning - Viktor E. Frankl

Wild - Cheryl Strayed

The Untethered Soul - Michael Singer

The Yoga Sutras of Patanjali - Sri Swami Satchidananda

The Greatest Secret - Rhonda Byrne

When Things Fall Apart - Pema Chodron

The Wisdom of No Escape - Pema Chodron

The 7 Spiritual Laws of Success - Deepak Chopra

Mindfulness in Plain English - Bhante Gunaratana

Silent Spring - Rachel Carson

The Biology of Belief - Bruce H. Lipton

Animal Liberation - Peter Singer

The Nature Fix - Florence Williams

Spontaneous Healing - Andrew Weil

Spontaneous Happiness - Andrew Weil

The Mind-Gut Connection - Emaran Mayer

The Human Superorganism - Rodney Dietert

The Complete Guide to Fasting - Jason Fung and Jimmy Moore

The Plant Paradox - Stephen R. Gundry

In Defense of Food: An Eater's Manifesto - Michael Pollan

Molecules of Emotion - Candace B. Pert

Formerly Known As Food - Kristin Lawless

Journey Into Power - Baron Baptiste

Born to Run - Christopher McDougall

Training for the Uphill Athlete - Steve House and Scott Johnston

The Plant Power Way - Rich Roll

Light on Yoga - B. K. S. Iyengar

It Starts with Food - Dallas and Melissa Hartwig

An American Sickness - Elisabeth Rosenthal

Bad Pharma - Ben Goldacre

The Artist's Way - Julia Cameron

The Practice - Seth Godin

Linchpin - Seth Godin

The Dip - Seth Godin

The War of Art - Steven Pressfield

Turning Pro - Steven Pressfield

Do the Work - Steven Pressfield

Big Magic - Elizabeth Gilbert

The Magic of Thinking Big - David Schwartz

How to Win Friends and Influence People - Dale Carnegie

Failing Forward - John C. Maxwell

Atomic Habits - James Clear

The 5am Club - Robin Sharma

Deep Work - Cal Newport

Essentialism - Greg McKeown

Principles - Ray Daleo

Mastery - George Leonard

Essential Zen Habits - Leo Babauta

Relentless - Tim Grover

Grit - Angela Duckworth

Daring Greatly - Brené Brown

Ten Arguments for Deleting Your Social Media Accounts Right Now - Jaron Lanier

Start With Why - Simon Sinek

This is Marketing - Seth Godin

Building a Storybrand - Donald Miller

Attracting Perfect Customers - Stacey Hall and Jan Brogniez

The $100 Startup - Chris Guillebeau

How I Built This - Guy Raz

The Passion Economy - Adam Davidson

Anything You Want - Derek Sivers

The E-Myth Revisited - Michael E-Gerber

The ONE Thing - Gary Keller

Wilderness Navigation - Bob Burns and Mike Burns

Desert Survival Skills - David Alloway

NOLS Wilderness Medicine - Tod Schimelpfenig

The Backpacker's Field Manual - Rick Curtis