You eat salt everyday but did you know that only 20 of the worlds salt isconsumed as food? Read this book to learn more about how salt is harvested itsother use... » 

You eat salt everyday but did you know that only 20 of the worlds salt isconsumed as food? Read this book to learn more about how salt is harvested itsother uses and why wars have been fought over this common yet importantmineral. «