Describes several parts of the human body and how they work, covering such topics as blood, the lungs, the brain, and the senses.

Presents a introduction to the taiga, a cold northern forest habitat, discussing weather and land conditions in the taiga, examining the types of plants and animals found there, and looking at the lives of native people who depend on taiga resources.

From philosophy and democracy to the catapult and the Olympics, the Ancient Greeks continue to influence all aspects of contemporary life. Read this book to find out more about how we encounter links to the ancient world every day.

An introduction to the Vikings that describes their influence on later societies, and discusses their daily lives, religion, shipbuilding, and related topics.

An introduction to the ancient Chinese that explains how their civilization influenced later societies, and discusses daily life, methods of communication, science, agriculture, medicine, and related topics.

Introduces animal cells, describing their basic structure, how they make food, reproduce, use water, get rid of waste, and what makes them sick.

Explores the future of hydropower and geothermal energy as sources of energy, discussing the pros and cons of their use, where they come from, the history of their use, different types, and new developments.