Mark Bergin

Do you have what it takes to be a knight? Look here for a description of the job requirements, training, physical demands, compensation, and daily life of a knight in the Middle Ages.

Offers a street-by-street tour, not of an actual town, but of a composite which includes many elements typical of Roman towns throughout the Empire at the beginning of the first century A.D.

An aerial view of an Inca town, based on the great city of Cuzco, provides insight into the culture, religion, daily life, arts and crafts, and more of these ancient people.

Though most of them are too small to be seen with the naked eye, bacteria are everywhere. They appeared on Earth more than 3 billion years before the first dinosaurs. Some bacteria cause deadly diseases, but many of them are helpful to us. They fertilize the soil by breaking down dead material, and they are an essential ingredient in many foods. Bacteria in our own bodies are a vital part of the digestive process.--from page 2 of cover.

"Describes what life would be like without sleep."--

Offers a behind-the-scenes look at how war was fought in the Middle Ages. Battle strategy, weaponry, the daily lives of soldiers, and the details of the Crusades are just some of the topics explored against the backdrop of the Middle Ages' culture and politics.

"Trees are among nature's most remarkable achievements, growing from a seed you can hold in your hand into a green giant several stories high. Read all about their unbelievably long life spans and how they can live in the most extreme conditions, from baking deserts to icy wastelands. You'll also find out how they provide us with fuel, food shelter -- and even the oxygen that we breathe!,"--back cover.

Without dirt-- or soil-- life would have developed differently, and we humans probably wouldn't be here at all. Surprised? Graham shows you all the ways soil has been used by humans over the centuries, and shares exciting prospects for soil in the future.