Google: There Are 129,864,880 Books in the Entire World. How many books have ever been published in all of modern history? According to Google's advanced algorithms, the answer is nearly 130 million books, or 129,864,880, to be exact. 5 Aug 2010
So if i secure my 20 book challenge for the year and maintained that level for another 20 years I will have read 400 books by the time I'm in my 40s. That leaves just 129 million left to get through.
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