Intellectual Heritage of Mankind: Mao Zedong, Sun Yat-sen, Lu Xun - Rare Items Communism, Socialism Set of 3 books The books are in fair condition, but the case is noticeably dirty. Supplements are as shown in the photos. They may not all be complete. A part of the Mao Zedong book has a misprint; whether it's a printing error or a production error, the text is upside down. This is not a repair, but a mistake by the publisher, making it a very valuable misprint.