"How does seawater turn into crystals of salt? Follow each step--from filling ponds with seawater to sprinkling salt on your popcorn--in this fascinating book!"--.
Chronicles the history of salt, discussing how it has shaped civilizations from the earliest beginnings of world history and how it has been used in different cultures.
Discusses the importance of salt and describes the mining and processing rock salt which is used in industry and agriculture and the manufacture of table salt which originates in brine pumped from the ground.
Provides information about salt, where it is found and processed, and its importance in everyday life. Includes a glossary and resources for further study.