Background information resources like books and encyclopedias give a quick synopsis of a topic. This can be helpful before diving in to more advanced and technical journal literature.
When searching these resources,
Library Maps and Call Number Locations Find books and other materials in JMU Libraries.
WorldCat (OCLC) Catalog of over 62 million titles cataloged by libraries worldwide... [more info] Items can be ordered through Interlibrary Loan.