Buddha Heruka is a manifestation of all the Buddhas' enlightened compassion, and by relying upon him we can swiftly attain a pure selfless joy and bring true happiness to others. Geshe Kelsang first explains with great clarity and precision how we can practise the sublime meditations of Heruka body mandala, and thereby gradually transform our ordinary world and experiences, bringing us closer to Buddhahood. He then provides definitive instructions on the completion stage practices that lead to the supreme bliss of full enlightenment in this one lifetime. This is a treasury of practical instructions for those seriously interested in following the Tantric path.