 A 111-page book titled "Nursery Rhyme Visual Guide Book" was published by Jive on April 24, 2006.The book included content such as computer graphics, story and character explanations, and rough sketches.A 234-page light novel titled , written by Sasa Miyachiruda and published by Softgarage, was released on September 25, 2006 under the Sofgare Novels imprint.