Download the epub version and on the Linux command-line execute `tar -zxvf srs-epub.epub` then cd into unpacked `OEBPS/` folder and there's your HTML files. Not exactly what you are looking for, but you can browse the content in a web browser.
$ tar -zxvf srs-epub.epub
gzip: stdin has more than one entry--rest ignored
tar: Child returned status 2
tar: Error is not recoverable: exiting now