Set of 4 books: 2 Glass Insulator in America, Woodward, 1973 & 1988; 1 Dictionary of Glass-Ceramic Insulators Reprint, Kareofelas/Cranfill; and a super little book for some enjoyable reading, The Story of Gerald & Esta Brown's Collecting. Books are in used condition, with some wear and could have handwritten notes. These are not mint and should be purchased for their research and informational qualities, not their condition. $18 plus actual shipping cost.