BFDI Book is also known as simply Book or Dictionary, is a character in the animated series Battle for Dream Island. With its stack of pages and an insatiable thirst for knowledge, Book brings both wisdom and comic relief to the show's cast of quirky characters. Book is a female contestant in Battle for Dream Island Again, Battle for BFDI, IDFB, and Battle for Dream Island: The Power of Two. BFDI Book was also the main protagonist of BFDIA 5b. On the outside, the Book appears to be a hardcover book filled with different information on several topics, such as a dictionary with definitions for every other contestant. A fanart BFDI cursor pack with Battle for Dream Island Book cursor and pointer.