When I was writing Right Concentration: A Practical Guide to the Jhanas I was unsure of how much material I would need for a publishable book. So I just did a brain dump of everthing I could think of related to the Jhānas. This resulted in a huge number of appendices, most of which did not make the final draft of the book. But all this information is still available to you - right below as a series of web pages:
The entire collection of pages above is available as an eBook.
Many of the above pages are also available individually in eBook format.
Like all the things of creation, a book is also subject to anicca. Changes that would make Right Concentration a better book, i.e. Errors and Enhancements, will be documented here: