TARGET CIRCULATION is circulation of specially prepared directories among client's target audience. Circulation parameters are stipulated with a client beforehand. The process consists of the following elements. Preparation of special circulation (circulation volume) with an individual black-and-white or color inset (not more than 32 pages) at the beginning of the book (between the front inside cover and title page).The maintenance of such insert can look as follows: A sketch about competitive advantages of customer production (technological, price, on delivery conditions, payment, service, etc.); The catalogue of production with necessary technical specification and delivery conditions.