Originally Posted by WS64
At the end of an internal file there will be page break. And at 25K files there will be many unnecessary breaks.
My recommandation is NOT to change all your books because of a glitch in the firmware of the reader.
If you can't stand it, use another firmware. That's why I did not use 1.9.17 although I could have fixed the top margin by reconverting all my books.
Thanks for you explanation