I was asking for a solution where the reader can read a publication that has content in one language from page 1 onwards, and then they flip the publication over, rotate the publication, and read it in another language starting with its page 1. In my particular scenario, I don't want to see facing pages, each with its own language, although that has been done already.
In the Adobe forum, jbully0 on Sep 12, 2017 wrote: " I'm trying to layout a dual language book where you flip the book over so that each language looks like it has a front cover and flows from left to right." I think jbully0 did a better job explaining my wish than I did, ha ha.