Librarians spend their lives weeding-not weeds, but books-books that have reached the end of their shelf life both literally and figuratively. They remove books that patrons no longer check out, and they put back books they treasure. Annie Spence, who has a decade of experience as a Midwestern librarian, does this not only at her Michigan library but also at home, for her neighbors, at cocktail parties-everywhere. In Dear Fahrenheit 451, she addresses those books directly. We read her love...