We use a variety of websites and sources that provide more details about the books, the reader can purchase from any one of numerous sources, either used or new in various formats (print or electronic)

This is an eclectic list of websites that is representative of what is out there, we tried to list only recent posts.

This is a short list of free apps to facilitate accessing and organizing literature and (other sources) and collaborating; this is curated from numerous review sites; note: we have only tried a few of these so we can’t vouch for their ease of use; please see reviews and comparison sites.