I want to create a Journal site that can generate book(node) to ePub, like Open Journal Systems(OJS). So what is the best way to generate node to ePub? I have tried Printer, but it only show the following error messages on iBook. File generated by PHPePub(Printer) can open by Calibre, but all images are missing.
This page contains the following errors:
error on line 47 at column 27: AttValue: " or ' expected
Below is a rendering of the page up to the first error.