This document provides training on how to use the Sierra library system to check out, renew, and check in items. It explains how to log in to Sierra, search for patron records, scan and check out books, check for holds, renew items, and check in returned items. It also reviews navigating between Sierra's different modules, looking up course reserves, and assisting visiting patrons from other libraries. The training emphasizes asking for help from supervisors or librarians when needed.