"Yoga is the universal toolbox," says author Tim Keim With his book, The Dynamic Dozen: 12 Accessible Yoga Poses for Building Bone Density, Strength, and Balance Tim Keim invites you to open the toolbox. The 10th anniversary edition makes the The Dynamic Dozen yoga poses even more accessible with new photographs and descriptions. Tim Keim will teach you to practice the poses with ease and competence. With steady, gentle practice you will not only strengthen your bones and improve your balance. You will also develop mental fortitude and concentration. Taken together, these are the keys to years of vitality. Illustrations will enable anyone to learn and practice the Dynamic Dozen poses.