Beautifully written, telling the story of a polar bear who takes in a wolf pup, then the pup growing up and taking in a polar bear cub.
These lines:
"You are not my mother, said the wolf pup.
"I am not your mother," said the polar bear, "but I can cuddle you and keep you safe."
They are so wonderful-they just give you all the feels. The words adopting, parents, mother, father, these traditional words in a story about fostering/adoption aren't here-so it seems more like a story children can relate to. Littles have trouble understanding adoption and foster care, but they know what a mother is, and the know what cuddles are, and feeling safe. Thus the author has written a story about adoption in the language of children.