1956. No Edition Remarks. 555 pages. No dust jacket. Blue cloth covered boards. Black and white photographs and diagrams. Some folded diagrams in a pocket on rear pastedown. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Some cracking to gutters with exposed netting. Binding loose. Heavy underlining and marginalia. Minor pe and pencil inscriptions to endpapers. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Some additional marks and staining to surfaces.