NEWTai Chi Beginner-Friendly Guide For Seniors: 10-Minute Daily Low-Impact Joint-Friendly Gentle Exercise, No Experience Needed, Includes Standing & Seated Posture Tutorials, Improve Balance & Reduce Stiffness, Cultivate Inner Calmness, A5 Size (5.9x8.19 Inches), 100gsm Thick Durable Paper, Lay-Flat Binding For Daily Practice.