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In a recent blog post I mentioned the findings of the January 2015 Author Earnings Report: 30% of the e-books being purchased in the U.S. do not use ISBN numbers and are invisible to the industry’s official market surveys and reports. Which also means: all the ISBN-based estimates of market share reported by Bowker, AAP, BISG, and Nielsen are wildly wrong.
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Bestseller Author M.A.Demers Explains:
“An ISBN clearly identifies an e-book as a book, no different from a print book. No ISBN leaves th...
Published on February 17, 2015 16:10