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Terms and Conditions

Common Knowledge

LibraryThing data from our Common Knowledge project is covered by the Common Knowledge License, equivalent to the Creative Commons Attribution-Share Alike 3.0 Unported.

Some content in Common Knowledge may fail to meet standards of copyrightability, upon which the Creative Commons licenses are built. By agreeing to these terms, you agree to treat the Common Knowledge content as copyrightable, and therefore as falling fully under this license.

You agree not to hit the API more than once per second.


Image files provided through CoverThing may be used either non-commercially or commercially, provided that:

Nothing in this agreement shall be construed as touching on or limiting the use of original files uploaded to LibraryThing. For example, if you upload a cover to LibraryThing, you are completely free to use the original file elsewhere.

All services

By agreeing to these Terms and Conditions you agree to the following additional points:

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