<p>The book was bigger than I expected about the size of a DVD. It's a great reinforcement tool for the DVDs. I bought all four but this one is my favorite. It reviews colors as well as the outside signs. The pictures are bright, colorful and playful. I also like the fact that they ask questions in the story. The sign guid is very well done but I wish it was throughout the book instead of at the end. Overall i'm very happy with my purchase.</p>