The "Bionicle 2 Legends of Metru" book is a picture book published in 2004, featuring 8 pages of exclusive movie pictures. The book, authored by the creators of the movie, provides a visual journey through the world of Bionicle 2, offering readers a behind-the-scenes look at the animation process. With a focus on animation, this book is a must-have for fans of the Bionicle series, offering a unique insight into the making of the film.