Knock, Knock! Who's There?
Subtitle: My First Book of Knock Knock Jokes
Publisher: Simon & Schuster (Juv)
Published: June 30, 2000
Language: eng
Format: Paperback
Number of pages: 22
ISBN-13: 9780689827112
Subjects: Fiction; Jokes & riddles; Humor - General; Juvenile Nonfiction; Children: Kindergarten
First sentence: Knock, knock. Who's there?