I don't have any particular insight into this, but one thing I noticed is that if you open in the image url, it appears to actually be some kind of special preview coming out of the BookReader software. You can even get a full res version of the cover image:
https://ia801800.us.archive.org/BookReader/BookReaderPreview.php?id=javahowtoprogram00deit_608&itemPath=%2F1%2Fitems%2Fjavahowtoprogram00deit_608&server=ia801800.us.archive.org&page=cover.jpg It would probably be possible to write a bot to clone these cover images into a place that the Cover API could access them, but I'm not sure how you'd identify them in the first place. Perhaps it's only DAISY format books? Tom On Wed, Apr 9, 2014 at 1:54 PM, Galen Charlton <[email protected]> wrote: > Hi, > > I see an example of an edition page that displays a cover image: > > https://openlibrary.org/books/OL25392083M/Java > > However, the page for the work does not include a cover image [0], and > the Book [1] and cover APIs [2, 3] indicate that no cover is > available. > > Is this just some kind of random glitch in the metadata, or are there > general circumstances whereby a cover image is available only on the > edition page but nowhere else? > > [0] https://openlibrary.org/works/OL16724619W/Java > [1] > https://openlibrary.org/api/books?bibkeys=ISBN:9780132575669&format=json&jscmd=details > [2] http://covers.openlibrary.org/b/isbn/9780132575669.jpg > [3] http://covers.openlibrary.org/b/olid/OL25392083M-M.jpg > > Regards, > > Galen > -- > Galen Charlton > [email protected] > _______________________________________________ > Ol-tech mailing list > [email protected] > http://mail.archive.org/cgi-bin/mailman/listinfo/ol-tech > Archives: http://www.mail-archive.com/[email protected]/ > To unsubscribe from this mailing list, send email to > [email protected] >
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