"First published in 2005 by Bokfeorlaget Prisma in Swedish translation as Kraften bakom yoga, Ashtangayogans eatta delar enligt aSrai K. Pattabhi Jois"--Title page verso.
Petri Räisänen is an internationally recognized yoga instructor. He is a direct disciple of Pattabhi Jois and is the director at Ashtanga Yoga in Helsinki.