How do you manage a library?

For starters, make sure the rules are posted somewhere super easy to see so everyone is aware of what they are. If it’s a school library, go over the rules the first time you meet with each class or group of students. As a librarian, you've got to try to be authoritative without being bossy or mean. You don't have to walk around with your arms crossed and a scowl. Instead, try to gently remind people of the rules and try to catch problems before they start. For instance, if a few patrons are starting to have a loud conversation, you can ask them to go outside if they need to talk. If you have an aggressive or potentially violent patron, immediately contact security or the police, depending on what your library's policy. Don't take any chances when it comes to your own or other patron's safety.