Mater feels a little down because he thinks everyone in Radiator Springs has forgotten his special day. He rolls through town, wondering why Lightning McQueen, Sally, and the rest of his friends seem so busy. But his friends are actually planning the biggest, best surprise party ever! You can join Mater as he discovers that his friends care about him more than he realized. This fun adventure takes you right into the heart of Radiator Springs. With simple words and clear sentences, this story is perfect for you as you build your reading skills. You get to sound out new words alongside your favorite characters from the movie. The colorful pages and familiar friends make reading practice feel just like a celebration. Jump in and celebrate with Mater and the whole crew!