Sally and Heidi's animal adventures are non-stop fun on Mr. Hill's farm With all the pigs, cows, and chickens to frolic and play with, the girls are always entertained But will a mishap with a red mitten and a big white cow with black spots spoil all the fun? Will the girls learn a valuable lesson from the mitten mayhem? Pick up "The Cow That Ate My Mitten" and find out