An extended retelling of the classic children's song "Old MacDonald Had a Farm" by beloved author/illustrator Iza Trapani featuring zoo animals running amok on the farmstead. Iza Trapani is known for her clever twists on classic nursery rhymes. This time she outdoes herself with a vist to longtime favorite Old MacDonald.  His busy little farm—with a moo, moo here and a  moo, moo there is out of controwhen zoo animals like kangaroos, elephants, and hippos join the menagerie. What's a farmer to do? Iza Trapani's hilarious, jam-packed illustrations are full of details animal-loving readers will point at with glee. And the sweet ending will keep them giggling until the next reading.