What. To. Do. Library located at Chye Seng Huat Hardware, Singapore. The site is known as the historical site of Jalan Besar. This project proposes a Library space mainly for working adults in the creatives industry. Nearby the sites, the number of creatives industry where it can bring benefits for the workers to come as it applies to them. Derived from how users circulate at the existing site, the curve becomes a design language. Through curve is able to direct users to discover more things ahead. The Library becomes a learning and exploration space. What. To. Do. Library provides a library with books and material, workshop space that injected with the concept of Co-Working. Hence, it able to creates a working community experience within the space.