Originally Posted by VelvetElvis
I have this book in HTML format as well. The .rar archive contained only 3 files:
I have looked at the .html file, and the example word I keep using ("I've")
appears right in the raw html as "Ive".
Was this html file already added to calibre when you were viewing it. Part of adding a html book to calibre causes it to be converted on adding the book. With html files the character encoding has to be set in the html2zip file plugin prior to adding the book. Check #2 of this section of the FAQ