Book, also known as Dictionary, is a female contestant in Battle for Dream Island Again, IDFB, Battle for BFDI, and Battle for Dream Island: The Power of Two. She is also the main protagonist of BFDIA 5b.
In Battle for Dream Island, Book was one of the 30 recommended characters that had a chance to join the show in "The Reveal". In "Reveal Novum", she was shown to have only received 8 votes, placing her 14th to join the season.
In Battle for Dream Island Again, Book had a chance to join at the start of the season, but she only received 296 votes, placing her 21st to join the season. However, due to Leafy, Bubble, and Flower being absent, Book moved up three spots, placing 18th and successfully joining. Book competed on Team No-Name until "Get in the Van" when she switched to FreeSmart. In "Taste the Sweetness" she switched to The Beautiful Face Devotion Institute before switching back to FreeSmart in "Lots of Mud". In "PointyPointyPointy ♫", she teamed up in a duo with Ruby, and in "Spore Day", she teamed up in a trio with Nickel and Pin, named The Stars. Book went back to FreeSmart in "Respect to the Wicked" until the merge in "Airplanes in the Night Sky". After winning immunity in "Shattered!", Book is currently in the finale along with Needle.
In IDFB, Book is currently free due to not being eliminated prior to "Intruder Alert".
In Battle for BFDI, Book competed on Bleh until the split in "The Escape from Four" where she left the show to compete on Two's show.
In Battle for Dream Island: The Power of Two, Book competed on Just Not until the team swap in "What's Up Bell's String?" where she was put on Team 2 by One. She competed on that team until "Insectophobe's Nightmare 6" where she is currently competing on Team Alive.
Book appears to be a hardcover book. The contents of Book are flexible, often changing to accommodate any given situation. Types of books she has identified herself as include a dictionary with definitions for every other contestant, a journal, an HPRC/HPHPRCC instruction manual, a tips and tricks guidebook, a Yoyle City atlas, a motivational quote pamphlet, an inclusion handbook, a copy of the Battle for Dream Island: Official Character Guide, a catalog, a balancing guidebook, a grammar textbook, a chemistry textbook, a fashion magazine, a bestiary and a diary. Her pages are white and her cover has an earth-water pattern. In "Lots of Mud", she can be seen with pages on a variety of different contents. Notably, the page behind her front cover, when ripped off, displays her face in pencil. In the "Last BFDI" milestone video, she has a page on Dora's autobiography.
