Petroleum-based fuels are well-established products that have served industry and consumers for more than one hundred years. However petroleum, once considered inexhaustible, is now being depleted at
The world's most trusted nonfiction series is now available with a CD of clipart included in the hardcover edition that compliments a fact-filled title full of spectacular photographs and illustration
Nationalism and ethnicity have always been key elements in state-building and in the break-up of states, and never more so than in the world today. While there are many partial theories, there is no c
