FIVE MOUNTAIN ZEN ORDER GROUPS:

Five Mountain Zen Order - International

Original Mind Zen - Princeton, New Jersey

Beyond Walls Zen - Kansas City, MO

Ocean Eyes Zen Center - Huntington Beach, CA

Clinton Zen Group - Clinton, IA

Perceive Sound Zen Community - Danville, IL

Kwan Um Sa -

Center for Clinical Mindfulness - Cincinati, OH

Only Love Sitting Group - Grand Rapids, MI

Mountain Gate Zen Center - Berkeley, CA 

Queer Sangha - New York, New York

Tampa Zen Meditation Sangha - Tampa, Florida

SUGGESTED READING:

The Compass of Zen by Seung Sahn

The Ocean of Zen by Yuanzhi Paul Lynch

Wanting Enlightenment is a Big Mistake: 
Teachings of a Zen Master by Seung Sahn

Dropping Ashes on the Buddha by Seung Sahn

Only Don't Know: Selected Teaching Letters of Zen Master Seung Sahn

The Way of Zen by Alan Watts

Zen Mind, Beginner's Mind by Shunryu Suzuki

The Joy of Living: Unlocking the Secret and Science of Happiness by Yongey Mingyur Rinpoche

When Things Fall Apart: Heart Advice for Difficult Times 
by Pema Chodron

The Heart of the Buddha's Teaching by Thich Nhat Hanh