In 1992, Dr. Mae Jemison made history by spending eight days in Earth's orbit, making her the first black woman ever to visit space. Twenty years later, Dr. Jemison is pushing space travel forward again with her 100 Year Starship Foundation. In this new True Book series, readers will join Dr. Jemison as she guides them on a tour of our solar system and explains how astronomers have used technology to discover new stars and planets. "This book explains...

The world is filled with machines that make our lives easier. Many of these machines are run by electricity, but you also can use your own power to run machines as well. You power your bicycle you open a door you move a box. Simple machines are devices with very few parts that help us move objects. Learn about the basic simple machines that we use every day.

Explores the sense of taste and the body parts used to produce it as well as its relationship to smell.

Explores oceans, discusses how they affect the climate, and describes the variety of life forms found there.

"Learn all about race cars, from how they are designed and built to which exciting new kinds of cars you might see in the future"--

Discover what Earth looks like from space, how the Earth moves through the solar system, what the conditions are for life on Earth, what you would find if you dug a really deep hole, what it is like on the Moon, and what space missions have taught us about Earth. Features time lines, drawings, photos, and an easy-to-understand explanation of global warming.

Describes the care and maintenance involved in owning a pet dog.