...Containing rules, with illustrations for every rule in interest, bank discount, profit and loss, simple and compound equations, partial payments, equation of dividends, exchange, insurance, taxation, annuities, and form of account current. Wraps, 12mo, 32pp. Later printing, preface dated 1865. Very Good with 1/4-inch chip at the spine head and abrasion at the joints, lower corners nicked. Remarkably saturated royal blue wraps printed in gold. A handy reference and functional advertisement for Eaton's Commercial College (the "Ladies' Ornamental College" is also advertised on the last page). "I shall avoid in my little book the learned, fantastic style of writing, and give only such problems as are absolutely necessary for every man and boy to under-stand, I shall presume not to frighten but to encourage the backward, refresh the forgetful, and make a neat, modest figure among the more pretending books." (preface) OCLC records an 1861 Worcester imprint and 3 total copies-Louisiana, Huntington, AAS.