This sadhana of Chenrezig Ngön Sum Kun Dröl, or Chenrezig Who Liberates from the Three Lower Realms, has been adapted from a translation and commentary compiled by the students of Geshe Khenrab Gajam from the transcript of an initiation given in June 1978 in Montreal, Canada, by His Holiness Zong Rinpoche and translated by Lama Zopa Rinpoche. The original materials were scribed in September 1978 by Karma Doshag Gyatso.