That is an EPUB3 book, you shouldn't be too surprised if it doesn't work the same on an EPUB2 reader.
Edit: To clarify futher: iBooks and Kobo's KePub reader are (approximately) EPUB3 readers, whereas Kobo's ePub reader is EPUB2.
Last edited by GeoffR; 10-14-2015 at 06:25 AM.
Reason: To clarify ...
|