Book excerpt: Everyone knows the story of Mary and her little lamb with fleece as white as snow. But what happens one day when the lamb decides to go off alone? Fans of Iza Trapani will delight as this adorable little lamb wanders across the farm, meeting an assortment of equally appealing characters. From a big brown horse to a tough old goose to a pen full of happy pigs, children will laugh out loud as Mary's little lamb stumbles from one mess to the next in this fun-filled rhyming adventure.