University of Applied Science, Chicago, Ill.: 1921.Semi-hardcover. 8vo - over 73⁄4" - 93⁄4" tall. fourth edition, 5 lesson booklets total, illustrated. The introduction notes "the science of finger print identification is a new one. Although finger prints have been used for over a thousand years, the present practical system of classifying finger prints was perfected only a few years ago. In taking up the study of finger print identification you are allying yourself with one of the most rapidly progressing of the the modern professions,bound with;Secret intelligence Service:concise instruction in modern methode,fourth edition,47p. ALL ARE IN VERY GOOD CONDITION.