Frankie's Food Truck serves a different shape of food every day. On Mondays, Frankie serves squares. What kinds of foods are shaped like a square? Lift the flaps to unveil all sorts of tasty treats, learning about shapes and days of the week as you go. From a square piece of toast to a slice of watermelon in the shape of a triangle, readers are invited to see how many shapes and foods they can find on each spread.