Variation in font and
reading preferences aside, there are clear differences between versions that are of interest for the descriptive bibliographer.
Personal
reading preferences aside, I have worked in numerous genres outside of those listed above including action / adventure, children's picture books, romance, erotic romance, horror, and non-fiction.
Not exact matches
Personal
preference aside, the bigger problem is that the EPUB landmarks nav is in a separate document from the content, which is what makes it useful to the
reading system presented with a spineful of documents.