Can't sleep without sheep

When counting sheep does not help Ava fall asleep and the sheep complain that they are exhausted, they send in replacements, including cows, horses, penguins, and pigs, but none prove satisfactory.

Main Author: Hill, Susanna Leonard.
Other Authors: Wohnoutka, Mike.
Format: Books Print Book
Language: English
Published: New York : Walker & Co., 2010.
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