Muddle earth. Book three Stewart, Paul, 1955-

Don't know much about planet Earth Davis, Kenneth C.

Crocodile smile 10 songs of the Earth as the animals see it / Weeks, Sarah.

Earth -- Juvenile literature.

the heroic fight to bring human intelligence back to the Earth of a distant future.

beneath the earth, and hears from him some of the exciting stories of his past.

offering objective evidence that the earth was not the fixed center of the universe.

teenager nicknamed Spaz begins the heroic fight to bring human intelligence back to Earth.

of every kind of animal from a flood which covered the earth.

both like and unlike Earth, where she must adjust to her new status and figure out how to "live."

adventures to other worlds in an effort to try to save Earth.

When aliens come to Earth on an interplanetary trade mission, sixth-grader Tim makes friends with