Columbia subject headings:
Fantasy fiction.
Harvard subject headings:
Air pilots--Juvenile fiction.
Asteroids--Juvenile fiction.
Children's stories, French--Translations into English.
Deaf children--Juvenile Fiction.
Deserts--Juvenile fiction.
Fairy tales.
Fantasy fiction.
Foxes--Juvenile fiction
Friendship--Juvenile fiction.
Loneliness--Juvenile fiction.
Love
Pied Piper, of Hamelin (Legendary character)--Juvenile fiction.
Princes--Juvenile fiction
Princeton subject headings: