Rabbi Heshy Kleinman changed the way tens of thousands of Jews daven through the bestselling classics, Praying With Fire, Praying With Fire 2, and Yearning With Fire. He also showed us how to truly take advantage of the powerful gift of teshuvah in his book, The Power of Teshuvah. Rabbi Kleinman lectures internationally on tefillah and other topics and is the co-founder of the V’Ani Tefillah Foundation, dedicated to increasing awareness of the importance and power of prayer, and to providing education, inspiration, and tools for more sincere, powerful and effective tefillah. In this Inside ArtScroll interview, Rabbi Kleinman shares details about his background, how he got into book-writing, and his vision for a 40-day worldwide teshuvah initiative.