Originally Posted by morrow
How you make the sentence vertical? I have a bunch of Chinese books that I would love to read in vertical form.
It's apparently part of each book's CSS encoding, not a setting on the device like I thought it would be. Other books I formatted myself are still horizontal.
If you search on the web for EPUB 3 and vertical text, you'll find people out there who are working on it. The free book I showed seems to do it right, so theoretically dissecting its CSS should provide a template for other book makers.