We obtained this series of Cultural Revolution Mao’s Red Book during a buying trip in NanKing, a city in Central Eastern China. This Red Book, judging by the stamps inside of the cover, was given to students who graduated from NanKing Machinery Professional school on December 30, 1968. These students became the first graduating class from NanKing Machinery Professional School. The book was edited by the People’s Liberation Army Main Political Department, distributed by XinHua Publishing House, and printed by DongTai People’s Printing Company. Each Red Book was priced at 40 Chinese Cents at the time.