＋九世紀以來，「以最少的錢，貿最好的書，給最大多數的讀者」一直都是圖書館員奉行的信條。但晚近的分析卻發現圖書館員根本很少探討什麼是「最好的書」。一方面研究卻也顯示，所謂的好書並不是圖書館員所能決定的，好事的形成其實是控制在學術社群手中。另外，自讀者反應批評理論來看，不同的讀者各有其不同的詮釋社群，在這種情況之下，我們如何要求讀者能夠欣賞精英的種威作品？最後，作者建議Ill書館員應該讓詮釋的權力回歸讀者，讓讀者自己決定自己的權威作品。

「The best reading for the largest number at the least cost J has been the most influential motto for librarians since 19th century. Under the motto, librarians intend to collect the best reading for the largest number of reader to read. However, studies have shown that· librarians have no power over the creation of the best reading. The making of canons actually, is dominated by scholarly community. Also, from reader-response theory， each reader has his/her own interpretative community, how can we expect him/her to esteem the elitist's best reading？ The author finally, advocates that librarians should let the reader to gear his/her interpretation.