Quote:
Originally Posted by jswinden
. . . Alternatively, if you know how to strip the DRM (digital rights management) do so, then use calibre to create a new epub from the original and set it to automatically split files that are larger than 260 KB.
To see how an epub is structured, rename your book from bookname.epub to bookname.zip, then extract the zipped file to a folder. Look in the folder bookname and you will see all the individual files that make up the epub book. Most likely there will be a subfolder named OEBPS in which you can find the HTML files.
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If the problem is a few chapters exceeding the 300k limit, then Calibre can indeed fix things by re-splitting the internal HTML files, but if the problem is too many segments then Calibre can't do anything for you.
But this will only work if the problem is too large of split size. Some of the Bibles I ran into problems with had the opposite problem, too SMALL a split, which caused a HUGE number of segments. Apparently this can ALSO cause problems for some EPUB readers, though this is less well documented than the 300k over-sized HTML segments issue.