Readers' Guide to Periodical Literature . The Readers' Guide indexes approximately 160 current American popular and semi-popular periodicals. Author and subject entries are in one alphabet. Maps, portraits, illustrations and bibliographies are noted. Published semi-monthly with cumulations annually.
Book reviews appear at the end of each volume.
Evaluating the sources you find is a crucial step in the process of library research. The questions you ask about books, periodical articles, or multimedia sources are similar whether you're looking at a citation to the item or have the item in hand. How to Critically Analyze Information Sources lists some of the critical questions you should ask when you consider the appropriateness of a particular book, article, media resource, or Web site for your research.