So my usual routine is to convert epub to epub, polish the books and then transfer to my Clara BW using Calibre.
I did this for Lord Peter Views the Body - Dorothy L. Sayers which I got from Project Gutenberg.
The problem is that somehow spaces disappear from a sentence, specifically between a word and an italicized word, like this: worry
me, this seems to be true for the whole book. Other times I get things like this: andMartin, or Burdockcame, or amusement;but (no space).
It is very irritating.
What I've done is NOT cover epub to epub, and NOT polish the book, and I still get all this nonsense when I transfer using Calibre and Kobo Touch.
Another thing I've done is to simply drag the file to the Clara and the problems disappear; this is the downloaded file without using Calibre at all.
The file is called: pg73295-images-3
And at the Guttenberg website it is this one: EPUB3 (E-readers incl. Send-to-Kindle)
https://www.gutenberg.org/ebooks/73295
Anyone have some ideas? Thanks.
EDIT: One further point, if I convert epub to epub and also use Polish Books, the file seems clean when I read using the Calibre reader - I'm assuming that the file is OK until transferred.