Cryptography: the Science of Secret Writing by Laurence Dwight Smith
1943. First Published in GB. 164 pages. Cream dust jacket over red cloth. Binding remains firm. Pages have light tanning and foxing throughout. Pencil inscription to front free endpaper. Marking to rear pastedown. Boards have light shelf-wear with corner bumping. Light sunning to spine and edges with crushing to spine ends. Wear marks overall. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning to spine and edges. Pencil inscriptions to inside panels. Wear marks overall.