In the African wilderness, mountain gorillas are severely threatened. These gentle giants are the largest of all the apes, living in family groups that fascinate scientists and enthusiasts… More →

Our modern world runs on energy to power our homes and industries. We all know the problems with burning fossil fuels to create energy - it pollutes the planet and we are running out of… More →

From lighting our homes to helping us travel, we depend on energy every day. This enlightening title introduces readers to the innovative entrepreneurs who are powering forward with new ways… More →

Beneath Earth's surface is a boundless source of energy - geothermal energy. Heated by our planet's red-hot core, hot water and hot rock below the ground on which we walk already provides… More →

From trees and plants to bugs and birds, every living thing on Earth is a form of energy. And all living organisms create energy, too, in the form of their waste. The energy of living things… More →

The endless and enormous power of the sun provides life to all organisms on Earth, from the smallest plant to the largest animal. This awesome power is being used today to provide a rich and… More →

Energy makes things work. From coal and wood to gas and oil, planet Earth has a wealth of natural resources packed full of energy. The way that energy is produced and the amount we use have a More →

This book follows several high school characters as they try to put strategies for maintaining a healthy weight into practice. Attention is given to calculating Body Mass Index (BMI) and to… More →

Engineering is a field that people rely on every day. This interesting book looks at the ingenious entrepreneurs who are finding new and better methods of building roads and structures,… More →

This revised edition features the vibrant, influential culture of England. New full-color photos have been added that help trace England's contributions to world culture, such as the… More →