The second edition of this celebrated reference combines essential material from the first edition (1977) with important extracts from another Lancaster work, If you want to evaluate your library . . . (U. of Illinois Press, 1988), and incorporates a broad range of recent evaluative studies. Unlike the first edition, which dealt primarily with academic studies, the second provides detailed information on the evaluation of public, school, and special libraries as well. In this edition, Lancaster is joined by co-author Baker (library and information science, U. of Iowa). Annotation copyrighted by Book News, Inc., Portland, OR