The quirky, hilarious farmyard tale that started it all from New York Times bestselling duo of Doreen Cronin and Betsy Lewin! Now the inspiration for a new Christmas special, CLICK, CLACK, MOO: Christmas on the Farm. Farmer Brown has a problem. His cows like to type. All day long he hears: Click, clack, moo. Click, clack, moo. Click, clack, moo. But Farmer Brown's problems REALLY begin when his cows start leaving him notes! Come join the fun as a bunch of literate cows turn Farmer Brown's farm upside-down!