This document summarizes research conducted on customers of the Porvoo City Library in Finland. 171 people were interviewed to understand their values and get ideas to help redesign library services. Customer personas were identified as silent seekers, socializers, babysitters, and borrowers. Their values and quotes from interviews provided suggestions like separate quiet and social areas, clearer signage, more materials and events. Staff diaries also noted issues like maintenance and ensuring books match the database. The research aimed to understand customer needs to help the library better serve the community.