The Teachings of Don Juan by Carlos Castaneda (?)

One of my favorite series of all times, only second to Harry Potter.

This is the first of a series that spanned many books and many years. Take a drug induced journey with Carlos Castaneda, a young Anthropologist who befriends a mysterious and wise Toltec Nagual by the name of Don Juan. Don Juan posses a great knowledge of an ancient world almost forgotten. He would like to share this knowledge with the young Castaneda if he his willing. In "The Teachings of Don Juan" everything that Carlos Castaneda has ever believed to be real, will be challenged...

reader's note: most people quit after the first book because they do not like the ending, I encourage you to read on...