450)=450"> 450)=450"> 每天18：00准时更新 [color=#408080]HINTS Atlases [/color] 全文听写，英式拼法 订阅节目更方便
Letters are stamped on the spine of each volume to indicate the alphabetical rang of the topics in each volume. For instance, if you wanted to find information about the moon, you would look in volume 8 of the encyclopedia pictured here. Next is Atlases, can atlas is a book of maps. It may contain many different kinds of maps. The maps in an atlas are often arranged alphabetically by country or continent. Almanacs are also a type of reference books. An almanac is a book that contains recent statistics and summaries of information on a wide variety of topics. It is published annually. Information is listed alphabetically by subject. Indexes are alphabetical lists of names, titles and subjects that tell where information about each can be found in other publication. For example, the Reader's Guide to Periodical Literature can help you find magazine articles that have been published about a particular subject. It will give you the names of publications that have carried articles about the subject, the dates and volume numbers of the particular issue in which the articles appeared. You should be aware that references books may not be taken out of the library under any circumstances. They are used only in the library.