1953. 2nd Revised Edition. 196 pages. Green and white dust jacket over black cloth with gilt lettering. Presumed signed by the author with dedication to front free endpaper. Black and white font samples and illustrations throughout. Includes small paper ruler slipped in. Noticeable thumb marking, foxing and moderate tanning to pages. More prominent to text block edges, slightly lighter to pastedowns and free endpapers. Small ink stain to front hinge. Binding remains firm. Boards have minor corner bumping and edgewear with mild sunning, staining and scuffing overall. Spine has heavier sunning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean from mild bowing. Unclipped dust jacket with moderate rubbing, chipping, loss and tearing to edges. Some tape repair, tanning, small stains and scuffing overall; larger black ink stain to top of spine.