He and his wife have stacks, piles, and cases of books. Some were bought at garage and yard sales because they look interesting, on deck, waiting to be read. Classics gather dust on shelves. Library books fill the TBR piles on nightstands and desks, along with books recommended by others, gifts, books written by friends, new releases by favorites, debuts which intrigue, and books waiting to be given to others, added to little libraries, or donated to charities. Finally are the books read and enjoyed, kept on hand for surviving the apocalypse.