Excellent ebook reader
Response from developer
Thank you for the detail — "the text gradually shifts until you are seeing portions of two pages" is precisely what I needed, and it let me find the cause. I had set a gap between the text columns. The page turn scrolls by exactly one screen width, but the columns are laid out one gap wider than that, so every turn left the text a little further along than the scroll went, and it accumulated until two pages shared the screen. It reset at each new chapter, which is why it came and went. An earlier update fixed a different version of this and clearly did not fix yours. The gap is now gone and I measured the text block staying put across page turns. The build is on its way to review. If anything still splits after that update, I would be glad to hear it.