Christopher J. Duncan eBooks

This exciting and important book covers the impact on demography of the nutrition of populations, offering the view that the change from the hunter-gatherer to an agricultural life-style had a major impact >>

The threat of unstoppable plagues, such as AIDS and Ebola, is always with us. In Europe, the most devastating plagues were those from the Black Death pandemic in the 1300s to the Great Plague of London >>