The Art of T'shuva - The Teachings of HaRav Avraham Yitzhak HaCohen Kook: Commentary by Rabbi David Samson and Tzvi Fishman
"If you follow even some of the eye-opening insights which Rabbi Kook outlines, your life is certain to be filled with a radiant Divine light that will banish all darkness, depression, and despair." Arutz 7.org