My children's book that consists of JPEGS and text over layed, it is 32 pages long, and I use InDesign 5. I export for EPUB, set JPEGS for maximum, but when it converts it can 't open.
You need to upgrade to InDesign CC2015 if you want to produce fixed layout ePubs.
Then I have no choice but to have the Printing Service of my book, Ingram Spark, do it for me, they only charge 60 cents a page.
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