ISO 9707:2008 gives guidance on the keeping of national statistics to provide standardized information on various aspects of the production and distribution of printed, electronic and micro-publications (essentially books, newspapers and periodicals). In addition, ISO 9707:2008 provides recommendations on subject classification.ISO 9707:2008 is not applicable to the following types of publications:publications issued for advertising purposes, where the literary or scientific text is subsidiary and the publications are distributed free of charge, includingtrade catalogues, prospectuses and other types of commercial, industrial and tourist advertising, andpublications advertising products or services supplied by the publisher, even though they might describe activities or technical progress in some branch of industry or commerce;publications considered to be of a transitory character; typical examples aretimetables, price-lists, telephone directories,programmes of entertainments, exhibitions, fairs,company regulations, reports and directives and circulars,calendars, andelectronic texts under development;publications in which the text is not the most important part, includingprinted music documents where the music is more important than the words, andmaps and charts (with the exception of atlases), e.g. astronomical charts, hydrographical and geographical maps, wall maps, road maps, geological surveys in map form and topographical plans.