PERFORMER Martin P. Robinson
DEBUT 2002

Book is a recurring character on Elmo's World. A floating, talking book belonging to Elmo, this tome frequently narrates short overviews of the episode's topic, sometimes with a pop-out page illustration. Book first appeared in the episode, "Getting Dressed" and is seen as a "dog-eared" book in "Ears."

Initially a Muppet character with facial features embedded in the cover, Book was seen as a computer-animated character in the "Skin" episode, with more realistic eyes and a humanoid nose.

The puppet version of Book also appears in Season 44 Word of the Day segment about the word "author," performed in this instance by Matt Vogel.