Wieso? Weshalb? Warum?, Band 41: Wir entdecken Wale und Delfine

Children’s, Teenage & Educational > Children’s / Teenage: general interest > Children’s / Teenage general interest: Nature, animals, the natural world > Children’s / Teenage general interest: Wildlife & habitats > Children’s / Teenage general interest: Wildlife & habitats: Oceans & seas

Children’s, Teenage & Educational > Children’s / Teenage: general interest > Children’s / Teenage general interest: Nature, animals, the natural world > Children’s / Teenage general interest: Wildlife & habitats > Children’s / Teenage general interest: Wildlife & habitats: Ice, snow & tundra

Children’s, Teenage & Educational > Children’s / Teenage: general interest > Children’s / Teenage general interest: Nature, animals, the natural world > Children’s / Teenage general interest: Mammals > Children’s / Teenage general interest: Aquatic & marine mammals

Children’s, Teenage & Educational > Children’s / Teenage: general interest > Children’s / Teenage general interest: Nature, animals, the natural world > Children’s / Teenage general interest: Ecosystems

Children’s, Teenage & Educational > Children’s / Teenage: general interest > Children’s / Teenage general interest: Nature, animals, the natural world > Children’s / Teenage general interest: Rocks, weather & physical world

Place qualifiers > Other geographical groupings: Oceans & seas, historical, political etc > Oceans & seas

Interest qualifiers > Interest age / level > Interest age: from c 4 years