Health Book: Tatsumi-Style Preservation Therapy: 100-Year Knees Regenerate Worn Cartilage! Type: Health Book Title: 100-Year Knees Publisher: Sunmark Publishing Author: Dr. Ichiro Tatsumi *This is a used item. It has been stored at home, so there are scratches on the cover. There may also be other overlooked stains or scratches, so please refrain from purchasing if you are concerned. Returns and exchanges are not accepted after purchase. Thank you for your understanding. Thank you for viewing.