The Alchemy of Yoga
talks on Patanjali's Yoga Sutras
(prev. titled Yoga: The Alpha and the Omega, Vol. 4)

by Osho

talks given live   Apr. 1975
Pune, India
book, eBook, mp3 audio
see links to other sites for availability.
                oshobob  The Living Workshop                                
                                                           Osho Books
Yoga master Osho talks about in this book:

Patanjali