The aim of this project is to reflect on the current situation of the Stockholm City Library and form a position towards the renewal and extension approach towards the current City Library. My approach is to connect the main library and the annex buildings by adding in-between spaces between them to create more public spaces and therefore form a intergrated library complex. By adding new public spaces connected to the existing structure, a sequence of spaces is created. The change in spatial experiences then influecne the way of how the library users accomodate the library. The interior design drew a focus on the interplay of the existing structure and the new added space, as it creates the interactions of different spaces to create the interactions between diverse social groups.