Examines the geography, history, economy, society, people, and culture of Ghana.

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of India"--Provided by publisher.

Robots help us understand our universe. Some fly to distant planets. Others work alongside astronauts in space. And some drive across the surface of Mars. How do these robots work, and what are they doing today? Read this book to find out!

"Developed by literacy experts for students in grade three through seven, this book introduces young readers to the geography and culture of China"--Provided by publisher.

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of Pakistan"--Provided by publisher.

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of Afghanistan"--Provided by publisher.

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of Russia"--Provided by publisher.

America's most celebrated astrophysicist invites young readers to explore the mysteries of the universe.

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of Haiti"--Provided by publisher.

Learn all about Mars from the point-of-view of Mars himself. Meet Mars! The red planet. Planet Marvelous. Favorite sibling of Earth (or so he claims). Sometimes they're close (just 34.5 million miles apart). Sometimes they need space (250 million miles apart)! Earth and Mars have a lot in common--clouds, mountains, polar icecaps. And while Earth has Earthlings, Mars makes a persuasive case for why people should make the journey to spend time with...