Blueberries for Sal, Robert McCloskey, Puffin Books.

Sal and her mother a picking blueberries to can for the winter. But when Sal wanders to the other side of Blueberry Hill, she discovers a mama bear preparing for her own long winter. Meanwhile Sal's mother is being followed by a small bear with a big appetite for berries! Will each mother go home with the right little one? A darling book for children aged 4 to 6 years of age.