Originally Posted by AlexBell
New question: Is it possible to read ePubs in landscape mode? I can't find any instructions on how to do that. It would be useful for reading long line poetry.
Have a look there
Are the epubs you have problems by chance in Japanese? If the language of the epub is set to Japanese (<dc:language>ja</dc> in the opf file) you can only change font face and font size. I do not know why this is so but this is the way it is.