1937. Third Revised Edition. 101 pages. No dust jacket. Blue cloth. Light foxing and tanning to pages. More prominent to text block edges, pastedowns and free endpapers. Occasional annotations, underlining and marginalia in pencil; text remains unaffected. Binding remains firm. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has minor tanning with soft crushing to ends. Book has a slight forward lean.