Toward 100 percent availability.

Proposes a machine-readable book system for libraries to improve book availability. View that such a system will enable library users to access books from personal computers; Documentation of the extent of unavailability of material with traditional library practices; Calculation of the improvement in availability which a collection of machine-readable books will bring about; View that library bibliographic systems often fail to put a physical package in the hands of a library user; Finding that the best way to improve the availability of books in a library is to reduce the user failure rate in obtaining books; Other ways libraries have increased circulation, including decreasing loan periods, sending overdue notices promptly, and duplicating heavily used materials.