This thesis aims to identify bottlenecks in the internal communication of a Swedish public library. Specifically, it addresses the behaviour of the library staff when they seek for work-oriented information through interaction with their colleagues. A fundamental assumption of this study is that the information-seeking process depends on organisational culture. I have made an exploratory case study in a medium-sized Swedish public library, where relevant issues are identified and correlated with the culture of the organisation. I have used Schein's three-level model to describe the culture of the library; this model defines culture as a set of basic assumptions and the actions of people as expressions of their culture. Data for the study were gathered using several approaches, including interviews with the library staff and observations of them. In order to describe the interaction of the staff during their information seeking, I used additional theories, including the politeness theory and Morrison's model of information-seeking within the organisation. Finally, qualitative content analysis was used to draw conclusions. The results of this study suggest that issues such as conflict avoidance, strong sub-group identities, and strong values concerning 'the daily work' may complicate the information seeking process. I also identify and discuss additional relevant contributing factors, such as task-specific issues.