Permanence/Durability of the Book - VI: Spot testing for unstable modern book and record papers By Books / Paperback Collecting › Book Collecting Publisher: W.J. Barrow Research Laboratory, January 1969 Price $19.70 Free Shipping Send to a friend Used - Good Good condition. Vol. 6. (books, preservation) 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. $19.70 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.