Offers a scientific introduction to dirt, looking at the different types of dirt, how it is used, why it is important, and how it can be taken care of.
Explore the life and achievements of Rachel Carson. Photographs, a timeline, and easy-to-read text tell the story of this ground-breaking scientist who worked to protect the Earth.
Explore the life and achievements of Elizabeth Blackwell. Photographs, a timeline, and easy-to-read text tell the story of America's first woman doctor.
Explore the lives and achievements of the Wright Brothers. Photographs, a timeline, and easy-to-read text tell the story of these famous inventors of the airplane.
Explore the life and achievements of Henry Ford. Photographs, a timeline, and easy-to-read text tell the story of this great automobile maker who started the Ford Motor Company.
