目前美国公共图书馆所碰到的最大敌人是书窃。国家图书馆如果每年失窃百分之一的书,那就是一千五百万册,损失金额约为二亿二千五百万美元。实际上美国图书馆每年失窃的图书是百分之二到三。从一九七三年起,普林斯顿大学图书馆所收藏的最有参考价值的书籍中有八分之一被窃;纽约图书馆中有百分 At present, the biggest enemy encountered by public libraries in the United States is book thievery. If National Library stole one percent of books a year, that’s 15 million and the loss is about 225 million U.S. dollars. In fact, books stolen each year by the U.S. Library are two to three percent. One-eighth of the most valuable books in the Princeton University Library have been stolen since 1973; the New York Library has a percentage