Juvenile Fiction - Animals - Birds, Juvenile Fiction - Science & Nature - General, Juvenile Fiction - Social Themes - Friendship, Toleration, Wishes, Crows, Juvenile fiction, Friendship, Trees, Fiction, Children's fiction, nyt:childrens-middle-grade-hardcover=2017-10-15, New York Times bestseller, New York Times reviewed, Juvenile works, Fiction, general, Friendship, fiction, Trees, fiction, Crows, fiction, Toleration, fiction