Please pay attention to MR posting guideline (Image size) and change that oversized image to an
attachment. (you can also CROP the image of most of the blur and save size.)
I have moved the post to Conversion forum, please note the sticky about PDF as a source.
Bottom line, is you are probably going to have to dig deep into the
books code of the conversion to adjust line-spacing or top/bottom margins (either can smoosh lines)
I will refrain on commenting about the great customer service you received