Peek-a-boo what?
By: [illustrated by Elliot Kreloff]
Publisher: Begin Smart
Published: 2009
Place of publication: New York
Language: eng
ISBN-13: 9781934618509
Subjects: Specimens; Board books; Toy and movable books
Notes: Each lift-the-flap page with die-cut holes reveals a word that rhymes with peek-a-boo.

Twelve to eighteen months.