The DEMO version only includes 10 pages:
http://ratiopublishing.co.uk
http://ratiopublishing.co.uk/Rupert-Ratio-About-the-Author.html
http://ratiopublishing.co.uk/The-Rupert-Ratio-Unit-Single-Manual-Volume-1.html
http://ratiopublishing.co.uk/The-Rupert-Ratio-Unit-Single-Manual-Volume-2-Everything-but-the-Engine-.html
http://ratiopublishing.co.uk/The-Rupert-Ratio-Unit-Single-Manual-Volume-3-The-Lesser-Known-Models.html
http://ratiopublishing.co.uk/Customer-Feedback.html
http://ratiopublishing.co.uk/REBUILD-ADVICE.html
http://ratiopublishing.co.uk/B44-Engine-Rebuild.html
http://ratiopublishing.co.uk/Customer-Feedback-Ratio-Rebuilds.html
http://ratiopublishing.co.uk/Useful-Links.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www6.waybackmachinedownloader.com/website-downloader-online/scrape-all-files/ to buy a fully functioning site.
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