http://www.manybooks.net/ has been crawled 2,757 times going all the way back to January 24, 2004.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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January 12, 2011

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February 12, 2011

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February 28, 2011

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April 29, 2011

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May 10, 2011

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May 11, 2011

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May 24, 2011

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June 14, 2011

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June 15, 2011

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June 23, 2011

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July 5, 2011

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July 7, 2011

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July 8, 2011

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July 9, 2011

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July 15, 2011

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July 16, 2011

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July 19, 2011

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July 23, 2011

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Note

This calendar view maps the number of times http://www.manybooks.net/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.