There are eight books now. It's better to seek medical treatment than to seek for yourself-series 1, manual for the use of human meridians-series 2, manual for the use of children's meridians-series 3, series 4-manual for the use of special acupoints, wisdom for not getting sick-series 5, it's better to seek medical treatment than to seek for yourself-series 6, series 7-Parents are best for their children.
It's also a good book, but it's not labeled as "the series of TCM health preservation".