Wolves -- Juvenile fiction. Girls -- Juvenile fiction.

Wolves -- Juvenile fiction. Fear -- Juvenile fiction. Shades and shadows -- Juvenile fiction.

Wolves -- Fiction. Women zoologists -- Fiction. Families -- Fiction. Lake District (England) -- Fiction. England -- Fiction.

Time travel -- Juvenile fiction. Fear -- Juvenile fiction. Dogs -- Juvenile fiction. Wolves -- Juvenile fiction.

Wolves -- Fiction. Prehistoric peoples -- Fiction. Human-animal relationships -- Fiction. Social behavior in animals -- Fiction. Dogs -- Evolution -- Fiction.