• reading
• want_to_read
• reading_next

-_t:list

• name
• books[]

• t:book
• title
• added
• author optional
• finished how to tell if its finished, is unset until completion,
• comments optional
• rating optional
• year optional

DB

• list of books _id title, author, added, finished, year, comments, rating
• list of lists _id name books[]
• books[] { book_id : N, index : M }
• index count upwards consequitively starting from 1, eg. 1,2,3
• a book can be in 0 to many lists, but not in a list more than once

TODO: [x] books listing needs to display each list a book is a member of [x] way to list by author [x] book: short format, 1-line [x] way to rm book from list [x] way to delete book [ ] way to edit + delete list [ ] show books that are finished [x] sub-flags for each command such as: -l -o [ ] date pretty print [x] edit book