This detailed overview on artificial intelligence in libraries is a history, a guide for librarians, and a resource for students and researchers.Artificial intelligence is an extremely important but little-understood topic, including in libraries. This timely book explores what AI is, how it works, how it's relevant to all types of libraries, and how it can be used. Readers will better understand the use of AI in library systems and applying AI to teaching and learning environments, and they will grow in the ability to discern potential ethical issues posed by this emerging technology. The final chapter provides a practical guide to using various types of AI in libraries.