Answer:
A library step is a type of furniture that was historically used in libraries, offices, or other areas where access to high shelves or cabinets was required. It typically consists of a small set of steps or a ladder attached to a chair or stool. The purpose of a library step is to provide a stable and safe means for reaching higher shelves or cabinets while also offering a place to sit or rest when needed. It is also known as a library chair or convertible chair. A piece of furniture used for providing access to the higher shelves in a library.