Classic Sesame Street - At Your Library

You may recognize this song from Episode 2342, the same one that had the sketch "The 39 Stairs" "At Your Library" is a Sesame Street song that Gilbert and Sullivan sing to Oscar the Grouch about the various types of books there are to read. However, Oscar just wants to find some books about trash.
This song also features appearances by various members of the cast singing about the types of books they like best. Luis, in a swashbuckling outfit, favors adventure books, Telly Monster is into books about animals, and Olivia, dressed as a princess, loves books about romance. Maria is fascinated by travel guides. Susan, dressed as a spy, is fond of mysteries, while Gordon, who wears a chef uniform, likes cookbooks. Bob likes living his dream of being a sailor on the ocean, and David enjoys books about sports. Linda the Librarian checks their books out for them. Finally, Gilbert and Sullivan point Oscar to a section in the library created especially for grouches. The song was written by Joe Raposo and Emily Perl Kingsley and directed by Jon Stone.