Knock! Knock! Whos there? Its Cocoa the horse at Cowgirl Kates door in another favorite stories edition for Green Light Readers Level 2 from the Geisel Honor-winning team of Erica Silverman and Betsy Lewin. Knock! Knock! Horses belong in barns, right? Not Cocoa. He nudges his way into Cowgirl Kates house and decides hed rather live there than his barn! Whats a cowgirl to do? Beginning and newly independent readers will quickly giggle their way to the happy ending in this Green Light Reader edition. Lovable characters, short sentences, and simple dialogue encourage repeat readings.