Rabbi Abraham J. Twerski, MD, a psychiatrist, rabbi and frequent lecturer on a broad range of topics including spirituality and self-esteem, is author of over fifty books, including Happiness and the Human Spirit: The Spirituality of Becoming the Best You Can Be; A Formula for Proper Living: Practical Lessons from Life and Torah (both Jewish Lights); Waking Up Just in Time; The Spiritual Self and Getting Up When You're Down. He is the founder and medical director emeritus of Gateway Rehabilitation Center. For more information, visit www.abrahamtwerski.com.