美国《图书馆杂志》在20世纪末曾对本国2000所公共图书馆成人读物的采购情况进行了调查,发现美国图书馆界是一个拥有20亿美元的图书市场,调查报告对美国各类型公共图书馆的经费预算、采购倾向、购书方法、购书偏爱、书刊流通等情况进行了详细的分析和研究。 At the end of the 20th century, the United States conducted a survey on the procurement of adult reading materials in 2000 public libraries in the United States and found that the library industry in the United States is a book market with a total value of 2 billion U.S. dollars. The survey reports on the various types of public libraries in the United States, The budget, the purchasing tendency, the method of purchasing books, the preference of books, the circulation of books and so on were analyzed in detail.