Salaries vary according to qualifications and type, size and location of the library. You'll help the public access information. That means you'll be the ultimate source for where to find almost anything. Communication skills are important, as well as a willingness to learn new things.
Librarians have to stay on the ball when it comes to latest technology.
Because your job is information, you'll need to know a little about a million things. The people who refuse to return their books, tape, and discs on time.