The first six books in the Interrupting Cow Level 2 Ready-to-Read series are now available together in this side-splitting paperback boxed set! The star of the classic knock-knock joke meets other beloved characters like a road-crossing chicken, an old dog, and a wolf in sheep's clothing--and even befriends a zebra and a duck who's a real wise quacker!

This laugh-out-loud paperback boxed set includes: Interrupting Cow Interrupting Cow and the Chicken Crossing the Road New Tricks for the Old Dog Interrupting Cow and the Horse of a Different Color Interrupting Cow and the Wolf in Sheep's Clothing Interrupting Cow Meets the Wise Quacker