One-time and Recurrent Bestsellers

Today one colleague asked me why my books are no longer #1 and #2. Here is my explanation:

Amazon sales rank is updated hourly. If someone buys a book or two now the rating goes up. The most important thing that some books are top for a long time periodically. I see MDAA Volume 1 from time to time on top for 1.5 years. Many books become bestsellers once (after a one time marketing effort or due to the novelty effect) and then never recover again.

I set up the following widget for top debugging and windows debugging books:

http://www.dumpanalysis.org/debugging-bestsellers

http://www.dumpanalysis.org/windows-debugging-bestsellers
 
- Dmitry Vostokov @ DumpAnalysis.org -

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