Readers journey into outer space where they'll learn about the moon, stars, solar system, and all that exists beyond earth. Upon their arrival back to earth, students will read about the various things that make up our planet. They'll get a chance to look inside the earth, studying the differences between the contrasting parts of the planet, such as its crust and water. Finally, readers will return to the outside world where they will observe and learn about the world around them. From water to deserts to volcanoes, this book leaves no place on earth, or space, unseen.