From critically acclaimed and prolific author Jane Yolen comes a
delightfully funny Level 2 Ready-to-Read story that puts a twist on a
classic a knock-knock joke!
Knock, knock...
Who's there?
It's Interrupting Cow.
Interrupting Cow wh--!
Well, you know how the joke goes...or do you? Read this side-splitting
book to discover the true, surprisingly heartwarming story of the one
and only Interrupting Cow!