In this issue of Library Technology Reports, virtual world virtuoso Joe Sanchez takes us beyond a mere exploration of Second Life and looks at the history of virtual worlds and how educators have used them as tools for learning in the twenty-first century. Sanchez extensively and objectively explores the pros and cons of using Second Life for both educators and librarians, and a chapter guest-authored by LIS student Jane Stimpson examines several examples of public libraries who have established a Second Life presence.