Secret Buddhism reveals the essentials of Vajrayana, mantras, empowerments, the six yogas of Naropa, Chod, Pure Land, and the six bardos. A history of the Kagyupa and Shangpa Lineages and some explanation of the principles of Tibetan medicine complete this survey of Tibetan Buddhism.
You can specify the type of files you want, for your device.Secret Buddhism: Vajrayana Practices | Kalu Rinpoche. A good, fresh read, highly recommended.