1949. Fourth Edition. 153 pages. No dust jacket. Decorative green cloth. Ex Libris plate to half title page. Black and white illustrations throughout. Minor thumb marking, foxing and tanning to pages, pastedowns and free endpapers. More prominent to text block edges. Moderate cracking to rear hinge, exposing netting and causing some looseness to binding but pages remain attached. Boards have minor corner bumping and edgewear with mild staining, tanning and scuffing overall. Pen marks to rear board. Spine has heavier tanning with soft splitting and crushing to ends.