The stages of meditation common to Raja Yoga and Buddhist Shamatha are seen as a process leading to one-pointed mind.
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Available in soft cover and ebook editions
About the author …
Lyle Olson served as photographer for Yoga International and the Himalayan Institute for 15 years, including 2 years in various ashrams in India as well as a variety of other Yoga and Buddhist meditation settings. He now lives in the Salish Mountains of NW Montana with lots of nature, critters, and books.
The Meditation Process 