The document discusses Gateshead Library Service's efforts to demonstrate its value through quantitative performance data, impact assessments, and social outcomes. It analyzes Gateshead's performance in areas like book loans, visits, and active users compared to national and regional benchmarks. The library also evaluates its social impact on areas like health, learning, and communities. The conclusions emphasize using both quantitative data and qualitative impact assessments to showcase the library's value to key stakeholders like council members.