There are currently 2 books on bookshulf written by Karen Katz. Karen Katz's books have been mentioned in N book lists including the following lists:
Karen Katz's first book Where Is Baby's Belly Button? was published in 2009. Babies play peekaboo, looking for their belly buttons, feet, and other body parts in this interactive book. On board pages. In 2011 Karen Katz wrote Where Is Baby's Belly Button? (enhanced eBook edition), the most recent work.
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