Dark blue linen hardcover with gold text on the front and spine, is corner and egde worn, rubbed, and darkened with age. Previous owner stamp on inside front cover, no other noticed markings. Interior slightly soiled. There is a piece of masking tape on the spine, presumably helping to hold it together. Book is still sturdy, back hinge a little loose. ; The shortest, simplest, and most rapid method of computing numbers, adapted to every kind of business, and within the comprehension of every one having the slightest knowledge of figures. Entirely new edition, with extensive modifications and improvements. ; 4.5" x 7"; 182 pages