This guide describes the major purposes and activities of the Division of Library Development of the New York State Library. Brief descriptions of the following programs and projects are provided: (1) adult literacy services; (2) central library aid; (3) certification of public librarians; (4) chartering and registration of libraries; (5) conservation/preservation; (6) construction; (7) continuing education of trustees and librarians; (8) coordinated collection development for academic libraries; (9) coordinated outreach; (10) hospital library services program; (11) Indian libraries; (12) institution library services; (13) legislation for libraries; (14) Library Services and Construction Act; (15) New York State Interlibrary Loan; (16) New York Libraryline; (17) regional bibliographic databases and interlibrary resources sharing; (18) special legislative grants; (19) state aid to assist libraries; and (20) public, research, and school library systems. Division publications, staff members, and regional liaisons are listed. (MES)