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North America is the third-largest continent in the world. The Great Lakes contain 20 percent of the freshwater surface area on Earth. Learn more in North America, one of the titles in The Seven Continents series.

CHF 40.90

Antarctica

Aspen-Baxter, Linda

In winter, the amount of sea ice along Antarctica's coasts increases by 30, 000 square miles (77, 000 square kilometers) each day. Antarctica contains the largest desert in the world. Learn more in Antarctica, one of the titles in The Seven Continents series.

CHF 40.90

Europe

Watson, Galadriel

Keine Beschreibung.

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Bird

Siemens, Jared

Keine Beschreibung.

CHF 33.90

Australia

Hudak, Heather C

Keine Beschreibung.

CHF 40.90

Hospital

Carr, Aaron

Did you know that the first children's hospital in the United States was built in 1855? People can get help at the hospital every day of the year. Learn more about this important place in Hospital.

CHF 33.90

Metamorphic Rocks

Wiseman, Blaine

Keine Beschreibung.

CHF 34.90

Africa

Aspen-Baxter, Linda

The highest temperature in the world was recorded in Africa in 1922. Africa has the world's longest river, the Nile. Learn more in Africa, one of the titles in The Seven Continents series.

CHF 40.90

Sight

Carr, Aaron

Keine Beschreibung.

CHF 33.90

BMX

Hudak, Heather C

Keine Beschreibung.

CHF 34.90

Winter

Carr, Aaron

Did you know that some animals sleep through the winter? Winter is the season when Earth is the closest to the Sun. Learn more about this time of year in Winter.

CHF 33.90

Snowboarding

Wiseman, Blaine

The first snowboard was made in 1965, when Sherman Poppen fastened two skis together. Today, snowboarding is one of the fastest-growing sports in the United States. Learn more in Snowboarding, one of the titles in the Extreme Sports series.

CHF 34.90

Asia

Aspen-Baxter, Linda

Asia covers nearly one third of the land on Earth. Sixty percent of the world's population lives in Asia. Learn more in Asia, one of the titles in The Seven Continents series.

CHF 40.90

Bald Eagle

Goldsworthy, Kaite

Keine Beschreibung.

CHF 33.90

Fire Station

Carr, Aaron

Did you know that many fire stations have slides or poles? Firefighters keep their fire trucks and tools at the fire station. Learn more about this important place in Fire Station.

CHF 33.90

Summer

Carr, Aaron

Did you know that summer starts on the longest day of the year? In some places on Earth, the Sun stays up for almost the entire summer. Learn more about this time of year in Summer.