Collins Gem Guide to Natural and Artificial Food Additives (Collins Gems) (Collins Gem Guides) By Clark, John Books / Paperback Books ISBN: 0004589920 / Publisher: HarperCollins Publishers, March 1991 Price Starting at $6.32 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Good Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $6.32 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 Collins Gem Guide to Natural and Artificial Food Additives (Collins Gems) (Collins Gem Guides)