If you were to ask on Twitter, “What is your #1 book on meditation or spirituality?” this is what you would get. At least from my Twitterverse. Enjoy! Read them all! Or just read one with absolute comprehension! Become enlightened!

Meditations
Marcus Aurelius

The Hidden Words
Baha’u’llah

Mindfulness Yoga
Frank Boccio

Meditation for Dummies
Stephan Bodian

Don’t Just Do Something, Sit There
Sylvia Boorstein

The Song of the Lark
Willa Cather

When Things Fall Apart (named by six people)
Pema Chodron

Be Here Now
Ram Dass

Smile to Your Heart Meditations
Irmansyah Effendi

A Wrinkle in Time
Madeleine L’Engle

Going to Pieces Without Falling Apart
Mark Epstein

Women Who Run with the Wolves
Clarissa Pinkola Estes

Anger;
Being Peace; (mentioned by two people)
The Miracle of Mindfulness;
No Death, No Fear;
Old Path, White Clouds;
Thich Nhat Hahn

There’s Nothing Wrong with You
Cheri Huber

Experience of Insight
Joseph Goldstein

The Easiest Way
Mabel Katz

Mountains Beyond Mountains
Tracy Kidder

Creating Sacred Space
Karen Kingston

A Path with Heart;
After the Ecstasy, the Laundry
Jack Kornfield

Yoga Body/Buddha Mind
Cyndi Lee

Life Of Pi
Yann Martell

Turning the Mind Into an Ally (mentioned by two people)
Sakyong Mipham

One City: A Declaration of Interdependence
Ethan Nichtern

The Monk Who Sold His Ferrari
Robin Sharma

The Tibetan Book of Living and Dying (mentioned by three people)
Sogyal Rinpoche

Meditation and Its Practice
Swami Rama

The Radiance Sutras
Lorin Roche

Breath by Breath
Larry Rosenberg

Faith
Sharon Salzburg

Zen Mind, Beginner’s Mind
Shunryu Suzuki Rosh

Cutting Through Spiritual Materialism;
Meditation in Action;
The Myth of Freedom;
Shambhala: The Sacred Path of the Warrior (named by four people)
Chogyam Trungpa

The Tao te Ching
Lau Tzu; Stephen Mitchell (transl)

Talks on Buddhist Meditation
Godwin Samararatne

Hardcore Zen
Brad Warner

Charlotte’s Web
E.B. White

Coming to our Senses
Jon Kabat-Zinn

Pema Chodron’s books (mentioned by two people)

Ken Wilbur’s books

Sogyal Rinpoche’s books