What device? We disable reader mode for low memory devices (less than 512 MB of ram). If this is the case you can visit about:config and set reader.parse-on-load.force-enabled to true.

There are also pages that we cannot detect a main body of text. A good test site is http://bbc.co.uk their articles are able to be parsed by Firefox's reader mode.

I have Nexus 4 and Nexus 7 and no reader icon in either. I have checked the about:config setting to true on both.

What site? As I mentioned above reader mode icon only shows up for pages where we can detect a main article. Does http://www.bbc.com/news/uk-politics-26630730 show the book icon in the address bar?

Thank you. That URL demonstrates that it does work. I had been using the one listed earlier in this thread ( http://bbc.co.uk) which does not parse correctly. So now I know that it does appear. Thanks again.

Mr. Brosnan, would you happen to know why the Reading List disappeared after an update? I still have a Reading Mode, but every time I save text in a Reading Mode and try to access it later, it re-directs me to History.