You eat salt everyday, but did you know that only 20% of the world's salt is consumed as food? Read this book to learn more about how salt is harvested, its other uses, and why wars have been fought over this common, yet important, mineral.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.