Yehuda Berg is a renowned authority on Kabbalah. Touted as "the people's kabbalist," he shares these teachings as a technology to improve everyday life. In 2007 Newsweek named Yehuda one of the top 5 rabbi's in the US. Yehuda believes that only by transforming our negativity can we unlock our greatest blessings. A bestselling author whose books include The Power of Kabbalah and 72 Names of God, Yehuda is a true spiritual activist. He lives in LA with his wife and 5 children."
Not really about sex but hey, it does sell books! This is a self-help relationship book. Good concepts taken from timeless advice from Jewish sources. It is similar to Shmuely Boteach's book Kosher Sex, which I found a bit more fulfilling.