van Amelsfort, Barbara books & textbook
Yoga Exercises for Teens: Developing a Calmer Mind and a Stronger Body (SmartFun Activity Books)
Purperhart, Helen van Amelsfort, Barbara Marix Evans, Amina
Hunter House /2008-11-18 Paperback / 160 Pages
isbn-10: 0897935039 / isbn-13: 9780897935036
The Yoga Zoo Adventure: Animal Poses and Games for Little Kids (SmartFun Activity Books)
Purperhart, Helen van Amelsfort, Barbara
Hunter House /2008-08-28 Paperback / 160 Pages
isbn-10: 0897935055 / isbn-13: 9780897935050