1958. Reprinted. 365 pages. No dust jacket. Blue cloth. Black and white diagrams and illustrations throughout. Light thumb marking and tanning to pages; heavier tanning to pastedowns and free endpapers. Annotations in pencil throughout; text remains legible. Binding is firm. Boards have minor corner bumping and edgewear with mild tanning, staining and scuffing overall. Spine has light tanning with soft crushing to ends. Book has a slight forward lean.