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Grasslands

Erlic, Lily
Grasslands
Grasslands cover almost all of Africa's land surface area. Elephant grass in the African savanna can grow up to 25 feet (7.6 m) tall. Learn more in Grasslands.

CHF 34.90

Fossils

Lappi, Megan
Fossils
The first dinosaur fossils discovered were found in England in the 1820s. The oldest fossil ever found is more than 3 billion years old. Learn more in Fossils, one of the titles in the Geology series.

CHF 40.90

Saturn

Ring, Susan
Saturn
Saturn is the farthest planet from Earth that can be seen with the naked eye. It is one of two Gas Giants in Earth's solar system. Learn more in Saturn: The Ringed Planet, one of the titles in The Solar System series.

CHF 40.90

Symbiosis

Zayarny, Jack
Symbiosis
Mutualism is a relationship between two animals where both benefit. Aphids create food for ants, and ants protect aphids from predators such as ladybugs. Learn more in Symbiosis.

CHF 34.90

Birds

Goldsworthy, Steve
Birds
There are more than 9, 600 different bird species living on Earth. More than half of these are passerine birds, often known as "small birds that sing." Learn more in Birds, an Animal Kingdom book.

CHF 34.90

Mammals

Kopp, Megan
Mammals
All mammals have three traits in common. They all grow hair, feed their young milk, and have three bones in their inner ears. Learn more in Mammals, an Animal Kingdom book.

CHF 34.90

Uranus

Ring, Susan
Uranus
Uranus is the only planet named after a Greek god, while the rest are named after Roman gods. It was the first planet to be discovered that was not known in ancient times. Learn more in Uranus: The Ice Giant, one of the titles in The Solar System series.

CHF 40.90

Forces and Motion

Evans Ogden, Lesley
Forces and Motion
Force refers to the action of pushing or pulling something. Forces can cause objects to move, face a different direction, or change shape. An object's change in position is called motion. Learn more in Forces and Motion.

CHF 40.90

Jupiter

Ring, Susan
Jupiter
Jupiter is the largest planet in Earth's solar system. It is twice the size of all the other planets combined. Learn more in Jupiter: The Giant Planet, one of the titles in The Solar System series.

CHF 40.90

Mountains

Banting, Erinn
Mountains
Mountain biomes are home to hardy organisms that have adapted to the thin air, barren soil, and freezing temperatures found at high altitudes. Mountain goats have thick, pointed hooves to help them climb rocky landscapes. Learn more in Mountains.

CHF 34.90