Knock, Knock! Who's There?

Knock, Knock! Who's There? is a 1994 Sesame Street Chunky Flap Book. Readers can open the flaps to discover who's knocking.
==Reissues==
Random House reissued the book in 2018, in a slightly altered form that included Abby Cadabby, a character who debuted in 2006.
knock knock.jpg|
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Category:Sesame Street Books
Category:Chunky Books
Category:Random House