Knock, knock! who's there?
By: [illustrations, Karen Jones].
Contributors: Jones, Karen.
Edition: 1st ed. for the U.S. and Canada.
Publisher: Barron's Educational Series
Published: 2002
Place of publication: Hauppauge, NY
Language: eng
Subjects: Board books.; Miniature books -- Specimens.; Toy and movable books -- Specimens.
Genres: Specimens.
Other titles: Knock, knock! who is there?
Notes: Title from cover.

Includes slide-up tabs that reveal the answers to a series of questions.

"For children aged 10 months and over"--P. [4] of cover.