This useful two-volume set will provide buyers of subject encyclopedias with a substantial amount of valuable information they can use in making their purchasing decisions. It will also provide all types of librarians and their patrons with a quick, one-stop method for locating the appropriate subject encyclopedias for their needs and for locating articles in the 100 encyclopedias. Librarians who specialize in bibliographic instruction will also find it to be a useful tool for teaching students how to locate needed information.