This short book appeared anonymously in China in the early 1970s. It was never published, and anyone caught reading it would be arrested and sentenced. That was the era of the tumultuous Cultural Revolution, when
Selected Works of Mao Zedong was the most widely printed publication, yet this book was the one most frequently and secretly hand-copied and circulated. It was only about 20 pages long, but no one—man or woman, young or old—who opened its pages could ever truly erase it from their minds.