Library technicians help librarians order, prepare, and organize materials.

Library technicians issue library cards and check out books, magazines, and electronic materials. They update patron accounts on computers and issue fines when necessary. They also answer visitors' questions about the library and show them how to use library resources. In addition, technicians sort returned materials and shelve them.

Technicians handle some of the technical duties in the library. For example, they show visitors how to use the library's computer system. They assign new books and tapes to topics in the library's classification system. They enter this information in the library's computers.

Technicians also arrange to lend books to other libraries and borrow books in return. They use and maintain audio-visual equipment.

Many library technicians perform administrative tasks. They supervise other library staff and student assistants. Technicians may assist with the development of library procedures. They may maintain special databases and web pages. Technicians also order new materials at the request of librarians and prepare order forms. They may also monitor and maintain library supplies.

Some library technicians work for businesses such as law firms. In these offices, technicians search for books and articles about particular topics. Occasionally they write summaries of books and articles.

Technicians who work in schools create posters and displays that encourage library use. They also help teachers and students with special projects.

Library technicians are also called library clerks or library aides.