Knock Knock, Moo Who? - Hardcover

by Brenda Ponnay (Author), Brenda Ponnay (Illustrator)

Knock Knock. Who's there? An interrupting cow. Interrupting Cow-- Moo! Silly knock knock jokes are paired with Brenda Ponnay's bright and fun illustrations in this wacky, funny picture book for preschoolers and up.