Can't Sleep Without SheepBook - 2010
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.
Publisher: New York : Walker & Co., c2010.
Characteristics: 1 v. (unpaged) : col. ill. ; 28 cm.
Alternative Title: Cannot sleep without sheep