1968. First Edition. 191 pages. No dust jacket. Yellow cloth with only "Unexploded Proof" stamped to front. Thus presumed uncorrected proof. Pages are bright and clear with light tanning to text block edges and free endpapers. Paste downs are similarly bright and clear. Some light creasing to gutters with minor looseness to binding; pages and boards remain firmly attached. Boards have minor corner bumping and edge wear with mild tanning and scuffing overall. Small pen marks to edges of rear board. Spine has heavier tanning with soft crushing to ends. Book has a slight forward lean.