Digital imprint: 12409 books

In Pakistan, you will learn that Pakistan occupies a very important strategic position on the world map and has been shaped by its relations with its neighbors and other powerful nations. It is a country where extremism competes with moderation in terms of climate, geography, religion, politics, wealth, and poverty.

Who Discovered Natural Selection? explains how scientists worked out the way in which living things evolve.

Written in British English, Who Discovered Natural Selection? explains how scientists worked out the way in which living things evolve.

In Secrets of Pollution and Conservation, you will find out how human activity has polluted the air, land, and sea, and what steps people are taking to clean up the planet.

Intermediate readers distinguish between natural and man-made objects.

Outer space and its characteristics are identified and discussed throughout this book. Up-to-date information from current research is provided on every page.

Introduces basic scientific principles of the Sun and Moon and shows readers how to do age-appropriate, simple experiments and projects.

Investigates the science of the seasons, describing events in nature that have repeating patterns.

In Afghanistan, you will learn that Afghanistan is one of the least economically developed countries in the world. The economy is based on agriculture, but much of the land suitable for farming has been damaged by drought, deforestation, and war.

In Afghanistan, you will learn that Afghanistan is one of the least economically developed countries in the world. The economy is based on agriculture, but much of the land suitable for farming has been damaged by drought, deforestation, and war.

Who Invented the Automobile? looks back at the history of the automobile—a machine that we could not imagine living without today.

Written in British English, Energy Sources examines our reliance on fossil fuels and their impact on the environment; the pros and cons of nuclear energy; the debate about biofuels; harnessing energy from the Sun, wind, and water; and energy in the future, from hydrogen fuel cells to solar power from space.

Written in British English, World War II: The Pacific concentrates on how events unfolded in the Far East in the titanic struggle between Japan and the forces of the United States and its allies.

Eco-friendly energy is explained. Current information about saving the environment is provided in this thought-provoking book, ideal for upper elementary and middle school students. In addition to explaining the concept of eco-friendly energy, the book establishes the understanding that it does not take much to make the world a better place.