Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between
Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and de
The green sea turtle is a majestic creature that has been in existence for more than 1 million years. Today, however, green sea turtles are in danger of extinction because of the careless actions of h
Theodor Seuss Geisel, better known as Dr. Seuss, is one of the most highly regarded children’s book authors of all time. In this delightful biography, readers learn how Dr. Seuss created a world of im
Young conservationists and those interested in these fascinating animals will delight in this informative, photo-filled book. Readers will find out why these are a threatened species, get details abou
Planes, trains, and automobiles—these are just some of the many achievements of mechanical engineering. This volume will show readers that they do not have to know complex equations to appreciate the
Describes the technological advances made during the westward expansion of the United States, including the transcontinental railroad, the telegraph, and mechanical agricultural equipment.
