I notice that, when exporting ePubs from InDesign, iBooks won't recognize the nonbreaking space tag. Is there a way to insert nonbreaking spaces that Ibooks will recognize? Or an alternate code to & n b s p ; ?
Have a look at this post and discussion, it's an old one but it's from a very respected contributor:
Pigs, Gourds, and Wikis: Troubleshooting EPUB ebook files
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