The webinar introduces Guide to Reference, a foundational tool for librarians, researchers, and students. It provides over 17,000 evaluated reference sources across many disciplines. The webinar demonstrates how Guide to Reference can be used for reference work, collection development, and teaching through browsing its taxonomy, using its annotations and editor guides, searching and saving searches, and creating lists and notes. It highlights the advantages of the online version for customization and sharing. The presenters then welcome questions and discuss options for accessing Guide to Reference.