Boys -- Juvenile fiction. Gorilla -- Juvenile fiction. Zoo animals -- Juvenile fiction. Zoo keepers -- Juvenile fiction. World War, 1939-1945 -- Juvenile fiction.

Human-animal relationships -- Juvenile fiction. Puppies -- Juvenile fiction. Children's stories.

Good and evil -- Juvenile fiction. Friendship -- Juvenile fiction. Forest animals -- Juvenile fiction. Magic -- Juvenile fiction. Human-animal relationships -- Juvenile fiction.

Penguins -- Juvenile fiction. Human-animal relationships -- Juvenile fiction.

Good and evil -- Juvenile fiction. Friendship -- Juvenile fiction. Forest animals -- Juvenile fiction. Magic -- Juvenile fiction. Human-animal relationships -- Juvenile fiction.

Good and evil -- Juvenile fiction. Friendship -- Juvenile fiction. Forest animals -- Juvenile fiction. Magic -- Juvenile fiction. Human-animal relationships -- Juvenile fiction.

Good and evil -- Juvenile fiction. Friendship -- Juvenile fiction. Forest animals -- Juvenile fiction. Magic -- Juvenile fiction. Human-animal relationships -- Juvenile fiction.