Originally Posted by willus
Any chance you can attach the source file, or attach just a couple pages from it (involving a chapter change)? Then I can try out your options with that file ane make sure I understand what's going on. K2pdfopt might be treating the "Chapter One" piece as a figure since it has that black bar which will prevent a line break. It's hard to tell without having the source.
Sure, here it is
(and i presume it's seen as image, but i think i saw the same behavior in other pdfs; also, perhaps some space before an image does no harm or even helps, at least if the image still fits the page):
( Perhaps treating an image like a "tall line" i.e. no matter if it's text or not? Just speculating of course)