This is the large format edition. 1st printing of this third revised edition with number 1 in printline on copyright page. Near fine or better - no markings or noticeable wear in a very good dust jacket - not far from new looking. Massive in Size: 14 3/4 inches tall by 11 3/4 wwide by 1 3/4 inches thick. Fascinating reference work - in full color and very well-made on heavy paper.