Progressive Stages of Meditation on Emptiness is a seminal work by Khenpo Tsultrim Gyamtso Rinpoche (edited by Lama Shenpen). It is a classic exploration of the philosophical views found within Tibetan Buddhism, how they fit together, and how to use them in meditation.
The paper copy was revised and re-issued earlier this year and is now followed by the first audio book ever produced.
Narrated by Ken Cohen the audio book is available on Amazon alongside the recently revised paper and e-book versions.
Lama Shenpen has so far given eight talks on the “Progressive Stages of Meditation on Emptiness” at The Hermitage this year and you can catch up with them on the Hermitage YouTube Channel: