
: Re: Sizing my Epub for Edit for read-along I formatted an ePUb in Indesign CC 19. I am ready to put in the audio for the read-along. I researched the viewpoint size to fit more than one
I'm inferring a couple assumptions from what you're trying to do. It sound's like a fixed-layout book. Don't worry so much about screen size. Fixed layout books will resize automatically. Just make sure it's still readable on the smaller sizes without zooming.
Then, don't try to edit a fixed layout epub with software, they will never display it properly. You have to add the audio files to the epub package and then edit the .xhtml and .css files manually:
Unzip the .epub (try a free download called ePub Zip/Unzip)
Copy the audio files into the OEBPS folder
Open an .xhtml file with TextEdit (Mac) or other editor
Insert the code in the header, or wherever it needs to be to accomplish your goal for that particular page in the book.
Save and repeat for each of the files you need to add. You can test along the way by opening the .xhtml files in your web browser. Don't worry so much about the layout here, just test the audio.
Once you've linked all the audio files to the correct pages, rezip the epub and open it in iBooks to test.
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