Keeping track of books in a Reading List helps figure out the next most valuable learning while assessing all the interesting things gathered.
When adding to these lists follow MLA style citation. Perdue MLA Guide 
Books
Recommended Books - Books that I've read that are good enough to recommend to other people.
Getting Books - Getting copies without Amazon.
Bok Bok Club Reading List - Books featured in the Bok Bok Club.
Other Reading Lists - Books recommended by people I admire.
Books I've Read - Good for spotting patterns to help figure out what to read next.
Loan Books - Who borrowed what.
Backlog
Nonfiction Reading List - Content that represents truth and accuracy regarding information, events, or people.
Fiction Reading List - Generally a narrative form, in any medium, consisting of people, events, or places that are imaginary.
Other
Science Papers - Documented research relating to applying the scientific method to problems.
Articles - Things I would like to read actively to turn into knowledge.