In a street market in Beijing I found the Handbook of Diagnosing and Solving Computer Problems, by William E. Perry, 1989. By contrast, this book has aged a lot

In a street market in Beijing I found the Handbook of Diagnosing and Solving Computer Problems, by William E. Perry, 1989. By contrast, this book has aged a lot more than MMM, but still is a fun read. The author calls software data processing GIGO, garbage in garbage out.