They may work longer hours at busy times. Jobs Librarians held about 152,000 jobs in 1998. Most jobs were in schools. Other jobs were in public or special libraries. A few jobs were in hospitals or government agencies.
Many schools offer library science programs.
A college degree in any major can prepare you for the master's program. In most States, school librarians must have a teaching certificate. Librarians should like to read and have good computer skills. The future Jobs for librarians should grow more slowly than the average. Replacing those who retire will provide other jobs.