Dr. Dahua Wang, Associate Professor at the Institute of Psychology, Beijing Normal University, Dr. Huamao Peng, Associate Professor at the Institute of Psychology, Beijing Normal University
    In a style that is easy to read and understand, the book introduces a range of activities that help to delay the onset of senility. The activities can be carried out individually or in a group. They are easy to practice, diversifi ed in form, and effi cient in result.