While there is a singular lack of books in the English language treating directly of rugs, a theme which is so intensely interesting to buyers, it is noteworthy that under the category of oriental carpets are to be found a few volumes of interest. These, however, are too rare and expensive for the general reader. For this reason I have undertaken to present in a concise form certain facts that may enable a novice to appreciate the beauty and interest attaching to rugs, and assist a prospective purchaser in judging of the merits of any particular rug he may desire to possess. -- Introduction.