Just curious. I created a nice EPUB in InDesign, all my images are full-page/screen, 1024x768. I exported it as a fixed-layout EPUB and specified 150ppi to cover the iPad's Retina resolution. However, Apple's iBooks wouldn't accept it due to the pixel dimensions being too large. I had to re-export at 96ppi (which was then accepted on iBooks Store). I was hoping for 144ppi, which would be equivalent to an iPad's retina resolution (2048x1536), but it's not an option in the pulldown menu. Am I off-track here? Any idea if this needs to be addressed? Thank you.
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