You can download the free eBook versions below for easy reading on your computer, iPad, Tablets and smartphones.
They have been updated to include the latest articles as of December 6, 2015.
Please share freely.
PDF (for Acrobat Reader and other PDF readers)
EPUB (for iBook on iPhone and iPad, Google Play Books on android smartphones and tablet devices, and other EPUB readers)
MOBI (for KINDLE and MOBI readers)
The following open-source software were used to create the ebooks:
You can download the software at the above sites.