From the back of the box:
"The Game Where the First Line Speaks Volumes"
In Liebrary, players are given a book title and the plot summary and then asked to create the most believable first line of the book. Book categories include Classics, Children's, Fiction/Non-Fiction, Romance, and Mystery/Sci-Fi/Horror. The object of the game is to bluff other players into believing that your first line is the correct one! Players earn points by either writing a first line good enough to fool others into voting for it or by guessing the correct first line after all the entries are read. The more outrageous and creative the better!