Vivir en Marte

This beginner's guide offers a first glimpse into the natural world of amphibians. This addition to the acclaimed About... series uses simple, easy-to-understand language to teach younger children what amphibians are, how they look, how they move, what they eat, and where they live. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to a variety of amphibians, from frogs and toads to salamanders and more. An afterword provides details on the animals featured and inspires readers to learn more.

Most young astronomers know that Earth is located in the Milky Way galaxy, but they might not know what that means or what lies beyond. Understanding our galaxy and others will help them comprehend more about how the universe works. Your readers will discover many amazing and memorable facts about galaxies, including their differing shapes, numbers of stars, and constant movement. They'll especially love the mind-boggling images of the depths of space.

Introduces Iran, including the geography, people, education, rural and urban life, housing, food, work, and amusements, along with other information about the country.

"Discusses the role of the oceans on Earth and introduces waves, tides, and water pressure"--Provided by publisher.