Part I. Introduction to QAnon: 1. The 'who, what, and why' of QAnon Monica K. Miller; Part II. Recruiting and Maintaining Followers: 2. Down the conspiracy theory rabbit hole: how does one become a follower of QAnon? Joseph Pierre; 3. Psychological motives of QAnon followers Ricky Green, Carolina Trella, Mikey Biddlestone, Karen M. Douglas, and Robbie M. Sutton; 4. Cognitive processes, biases, and traits that fuel QAnon Arial R. Meyer and Monica K. Miller; 5. The role of moral cognitions in the growth of QAnon M. Katie Cunius and Monica K. Miller; 6. Emotions and the QAnon conspiracy theory Elena Bessarabova and John A. Banas; 7. Recruitment to QAnon: ordinary persuasion and human agency or 'brainwashing'? James T. Richardson; Part III. QAnon and Society: 8. QAnon in the year 2020: the bigger social picture Charles P. Edwards; 9. QAnon and the politics of 2020 Joseph Uscinski and Adam Enders; 10. The QAnon conspiracy narrative: understanding the social construction of danger David G. Bromley and James T. Richardson; 11. The need to belong: the appeal, benefits, and dangers of QAnon and similar groups Kelly-Ann Allen, Zoe Morris, Margaret L. Kern, Christopher Boyle, and Caomhan McGlinchey; Part IV. The Role of Communication in Promoting and Limiting QAnon Support: 12. QAnon and social media Tatyana Kaplan; 13. Social network analysis techniques using NodeXL for analyzing disinformation related to QAnon Wasim Ahmed and Marc Smith; 14. QAnon, folklore and conspiratorial consensus: a case study in the computational analysis of conspiracy theory narratives Timothy R. Tangherlini, Vwani Roychowdhury, and Shadi Shahsavari; 15. Debunking and preventing conspiracies: special challenges of QAnon John Banas and Elena Bessarabova; Part V. The Future of QAnon: 16. Categorizing QAnon: is this a new religious movement? Amarnath Amarasingam, Marc-Andre Argentino, Dakota Johnston, and Sharday Mosurinjohn; 17. The future of QAnon: emergent patterns of social movement adaptation and change Jared M. Wright and Stuart A. Wright.