Theme Sets: Salt By National Geographic Learning, Shymansky, James A Books / Paperback Books ISBN: 0792247361 / Publisher: National Geographic School Pub, January 2007 Price Starting at $5.65 Free Shipping Send to a friend Add to Wishlist Description Throughout history, salt has been used for many purposes. It was once so valuable it was used as mon... Read More Throughout history, salt has been used for many purposes. It was once so valuable it was used as money. Read Less Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Very Good Very Good condition. A copy that may have a few cosmetic defects. May also contain a few markings such as an owner’s name, short gifter’s inscription or light stamp. $5.65 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for Theme Sets: Salt