The product is a rare and valuable antiquarian book titled "1869 Brooks Mental Arithmetic" by Edward Brooks, A.M. It is a hardcover book printed in English in Philadelphia in 1869 by Sower, Potts, & Co. The book focuses on mental arithmetic and is a unique piece of mathematical history originating from the United States. This original edition is a treasure for collectors of antiquarian books and those interested in the subject of mathematics.
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