On offer here is a superb reference book. ISBN 1 85149195 3 . Large Book entitled Collectable Clocks 1840-1940 Reference and Price Guide. This book is x library the cover is very dirty however it is plastic coated so could be peeled off. The book inside is in good condition and full of information. the book measures at approx 11 by 8.5 by 1.5 inches.