Clayton and Desmond are back and bigger than ever in this companion to the New York Times bestselling series! As another year at Mouseville School begins, the students will be learning all about apples--starting with a contest to find the biggest one ever! As usual, Clayton the town mouse and Desmond the country mouse are each eying the prize. But when they can't find the biggest apple, even after they decide to work together, will they just give up? Or do they have another trick up their sleeves? The newest installment of this beloved, bestselling series continues to showthe benefits of collaboration and friendship in a story centered around the fall season.