Cities Book is a book seen in the episode "Ghost Princess". It ends with "ities" instead of "itties", making it different to nearly all of the books (except for the Pities Book. It is located in the Library.
Only the binding of the book can be seen in the episode. It is purple-colored (in the shape of a skyscraper), with a pink background. The word "Cities" is written in a 3D black font in the purple skyscraper.