Thimble Collectors Encyclopedia was authored by John J. von Hoelle. This hard cover book has the maroon cover and is the Revised Edition, First Edition 1983.
This 247 page book includes the rewriting of about 200 pages and includes both basic information and additional information about thimbles from around the world. Tons and tons of black and white illustrations.
Both books are like new.
A good reference book for your collector library.