From acclaimed, prolific author Jane Yolen comes the fifth hilarious Level 2 Ready-to-Read in the Interrupting Cow series following the cow as she helps a new friend find her flock. Interrupting Cow has a mystery to solve! Do sheep growl, groan, or howl? If not, what could this strange new creature in the pasture be? One thing Interrupting Cow does know is that there's always room for more friends!