Three books by Lois Steinberg, Ph.D. on adaptive alternatives to traditional yoga postures. All three spiral-bound books are unused and in pristine condition. The asking prices listed below are 50% off the retail prices. Will sell as a set for $40.00. Pickup from HP neighborhood. *IYENGAR YOGA ASANA ALTERNATIVES: THE KNEES - $20.00 *204 Pages, 632 Photos, 2nd Edition (2015) Certified Iyengar Yoga Teachers (CIYTs) and their students can use this book to aid them in asana practice for the knees. This book provides poses to alleviate knee pain and correct related problems rooted in the structural imbalances of the knees. *IYENGAR YOGA ASANA ALTERNATIVES: NECK AND SHOULDERS (2010) - $15.00* 700 photos, 260 pages. This book addresses postural, structural, functional, and connective tissue conditions of the neck and shoulders. Detailed instructions. *IYENGAR YOGA THERAPEUTICS: THE LOWER BACK - $10.00 *Two hundred photos with description of variations of classic asana for the lower back. Lois Steinberg (Ph.D., CIYT Advanced 2, C-IAYT) is one of the world’s most experienced yoga instructors awarded the Advanced 2 certification by B.K.S. Iyengar himself. Her 38 years of extensive studentship with the Iyengars includes annual participation in the general and medical classes at the Ramamani Iyengar Memorial Yoga Institute in Pune, India.