It's three volumes! The three-volume Complete Works of Harvard Family Instructions published by China Women's Publishing House are: Harvard Family Instructions, Harvard Family Instructions II and Harvard Family Instructions III. Harvard Family Instructions, a three-volume series published by China Women's Publishing House, has been ranked among the top ten educational books in China for many years. Three books cover most of the national college entrance examination composition questions-three volumes of Harvard Family Instructions by China Women's Publishing House. After the end of the 20 10 college entrance examination, a Chinese teacher in the graduating class of senior three in Shenyang made statistics on a set of extracurricular college entrance examination guidance books, and found that these three books covered almost most of the college entrance examination composition questions in the country!