Book: The Willpower Instinct... loooved this book! Good as an audiobook too. MINDFULNESS as the key to developing willpower! What we practice on the mat can help us respond to many thought patterns that would otherwise lead us mindlessly into a bad habit.
Book: Back Care Basics - This book is great for detailed explanations on asanas, as well as good guide for basic stretches to work back to a more mobile body. Very well-written with a nice emphasis on the relaxation response and manifestations of mental stress on the physical body.
Alan Konell's book provides wonderful and concise ideas for both how to think about pain as well as techniques for treatment involving the body and mind. Also discusses hypnosis, which is the same kind of uniting with the unconscious mind we try to achieve with meditation and shavasana, right? And it's $0.99... Plus audio available to purchase on his website.
The Power of Habit by Charles Duhigg... lots of stories through the lens of habits, each illustrating a different habit... some stories interesting and some more of a stretch, but very good read/listen!
Move a Little, Lose a Lot: New N.E.A.T. Science Reveals how to be Thinner, Happier, and Smarter is a book by James A. Levine, an obesity specialist. N.E.A.T. stands for Non-Exercise Activity Thermogenesis. He suggests that changing daily routines and adding lots of small movement in your day is the best way to stay healthy.
Book: The Divided Mind - the epidemic of mindbody disorders. Intro and first chapter available on Amazon's e-reader, which gives you a good idea of psychosomatic medicine and the division between the conscious and unconscious mind.