The authors present a multi-level theory of "Information Worlds" to investigate the ways in which information creates the social worlds of people. Building upon the foundational works of Library and Information Studies (LIS) scholar and theorist Elfreda Chatman and philosopher Jurgen Habermas, as well as from theory and research from a wide range of other fields, the theory of information worlds can serve as a theoretical driver both in LIS studies and across other disciplines that study information issues, enriching and expanding our understanding of the multi-layered role of information...