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.