Tilopa's Mahamudra Upadesha - The Gangama Instructions With Commentary — by Sangyes Nyenpa
This book offers the reader a window into the oral transmission of these instructions, given in a traditional Tibetan context by one of the Kagyu lineage's most learned and accomplished contemporary masters.
The Great Kagyu Masters - The Golden Lineage Treasury — translated by Konchog Gyaltsen
This important and very readable volume tells the extraordinary tales of the greatest teachers of the Kagyu the lineage.
The Life of the Mahasiddha Tilopa — by Marpa Chokyi Lodro
Thought of have been composed in the 11th century by the renowned Tibetan yogi Marpa Lotsawa, is a compelling account of the 'complete liberation' of the guru of Naropa, and belongs to the genre of 'Buddhist hagiology'.
Readings on the Six Yogas of Naropa — by Glenn H. Mullin
In this book are six important commentaries on this popular Tibetan tantric system, including original works by Tilopa and Naropa (the 11th-century Indian masters who first formulated it from various Buddhist tantric legacies) as well as Tibetan writings by Tsongkhapa the Great, Gyalwa Wensapa, the First Panchen Lama, and Lama Jey Sherab Gyatso.
The Practice of Mahamudra — The Teachings of His Holiness the Drikung Kyabgon Chetsang Rinpoche
Explanation of the five stages of Mahamudra. Probably the clearest presentation of Mahamudra meditation practice available in English.