How many paper books are sold each year?

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Revision as of 21:35, 7 May 2009 by Istran Dulos (talk | contribs) (New page: This information is very hard to come by but it is known that the US book market consists of about 16,5 billion dollars each year)
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This information is very hard to come by but it is known that the US book market consists of about 16,5 billion dollars each year