The Gita is a small but much loved part of the vast Hindu epic the Mahabarata, a poetic chronicle about two warring groups of cousins. The title means Celestial Song or Song of the Lord. This is a perfect self-help book because it is not scholarly or academic, but remains a source of the most profound wisdom, offering a path to steadiness of mind and joy in one's work that could not be more relevant amid the speed and pressure of life in the 21st...