This booklet brings together papers, reports, and associated material from the seminar on school library resource coordination and librarians' groups in New South Wales held at Summer Hill Public School in Sydney. The collection includes a general introduction to the scope and goals of the seminar; a list of seminar speakers; papers on cooperative activities among school libraries in the Western, North Shore, Manly-Warringah, and North Sydney areas of New South Wales; a brief paper on the Northern Interlibrary Cooperation Scheme (NICS); and a list of problems in library cooperation, along with a group of solutions to these problems suggested during seminar workshops. Also included are reports on resource coordination in the South Coast region, guidelines adopted for resource sharing in the Metropolitan Coast region, accounts of developments in school library cooperation in all 11 regions of New South Wales in 1980, a list of Australian School Commission grants available to facilitate library resource sharing projects in schools, lists of seminar participants and regional consultants for 1980, and a bibliography. The seven appendices include the NICS Constitution and an essay on school libraries and networking. (JL)