Five Weeks to a Social Library is the first free, grassroots, completely online course devoted to teaching librarians about social software and how to use it in their libraries. It was developed to provide a free, comprehensive, and social online learning opportunity for librarians who do not otherwise have access to conferences or continuing education and who would benefit greatly from learning about social software. The course will be taught using a variety of social software tools so that the participants acquire experience using the tools while they are taking part in the class. It will make use of synchronous online communication, with one or two weekly Webcasts and many small group IM chat sessions made available to participants each week. By the end of the course, each student will develop a proposal for implementing a specific social software tool in their library. The course content will be freely viewable by interested parties and all live Webcasts will be archived for later viewing. The course will cover the following topics: