House of the Nagas - Book Four: The Secret Initiations of the Left-Hand Path — Kundalini, Shakti, and the Serpent Mysteries of Tantric Awakening (House of the Nagas, Book 4)

Short answer

House of the Nagas - Book Four: The Secret Initiations of the Left-Hand Path — Kundalini, Shakti, and the Serpent Mysteries of Tantric Awakening (House of the Nagas, Book 4) is a book by Ajarn Shaman Shu, a pen name of Detroit-born author and archivist Robert Shumake. It sits within his catalog of 137+ published titles. It is available as an ebook on Google Play.