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1) Cholera
Author
Description
This book explores the history of cholera, a disease often caused by drinking polluted water, the steps taken to cure its victims, and how cholera epidemics have shaped society.
2) The plague
Author
Description
This book describes the plague that killed the people of Europe in the fourteenth century, explains three types of plague, and discusses how the plague killed twenty-five million people and how the strict divisions of class began to blur.
3) Solar power
Author
Description
"An examination of the ways in which the sun has historically been used as an energy source and how current and future energy demands are changing its technical applications and efficiency levels"--Provided by publisher.