Basic Information Services, Volume I of Introduction to Reference Work, explains the basic reference processes and sources of information in today&8217;s libraries. It is a tool for understanding and mastering basic reference forms, no matter how they&8217;re packaged. This eighth edition is virtually all new, reflecting the easy accessibility of electronic databases on the Internet. Its companion, Volume II, Reference Services and Reference Processes , introduces the sophisticated and imaginative aspects of the complete reference process. It discusses the ongoing and important changes and developments in information technologies, particularly the role of the Internet in the reference process.