Here is list of reading material:

•     The Eye of Revelation: The Ancient Tibetan Rites of Rejuvenation (by Peter Kelder)
•     A similar set of 2 books by Peter Kelder:
      -    Ancient Secret of the Fountain of Youth
      -    Ancient Secret of the Fountain of Youth, Book 2: A companion to the book by Peter Kelder

For those who don't have time to read the book (short and simple version with photos):