Yoga:General
These are books that cover a wide range of subjects pertaining to yoga.

• The Heart of Yoga
  T.K.V. Desikachar
  
  
• Yoga Tradition
  by Georg Feuerstein
  
  
• The Hatha Yoga Pradipika translation/introduction by Pancham Sinh, Munshiram Manoharlal Publishers translation/commentary by Swami Muktibodhananda, Bihar School of Yoga
  
  
• Yoga Mala
  by K. Pattabhi Jois, North Point Press


• Light on Yoga
  by B.K.S. Iyengar, Schocken Books
  
  
• Anatomy of Hatha Yoga
  by H. David Coulter, Body & Breath

Yoga:Subject Specific
These are books that are subject specific such as asana, anatomy and philosophy.

• Anatomy of Movement
  by Blandine Calais-Germain
• Emotional Anatomy
  by Stanley Keleman
• Cutting Through Spiritual Materialism
  by Chogyam Trungpa
• The Principal Upanisads
  translation/commentary by S. Radhakrishnan, Harper Collins
  
• Upanisads
  translation by Patrick Olivelle, Oxford University Press
  
  
• The Bhagavad Gita
  translation/commentary by S. Radhakrishnan, Harper Collins
  translation/introduction by Barbara Stoller Miller, Bantam
  
  
• The Yoga Sutra of Patanjali
  translation/commentary by Swami Hariharananda Aranya, SUNY Press
  translation/commentary by Georg Feuerstein, Inner Traditions
  translation/commentary by Chip Hartranft, Shambhala Classic
  

Selective Literature
These are books and magazines I have enjoyed over the years.

• Inquiring Minds
  Non Profit Magazine
  
  
• Autobiography of a Yogi
  by Paramahansa Yogananda
  
  
• Yoga
  by Linda Sparrowe (great for yoga pictures)!