Chapter. 1. Exploring the Past, Present and Future of Computing Education Research: An Introduction -- Chapter. 2. What is Computing Education Research (CER)? -- Chapter. 3. Theory and Approaches to CER -- Chapter. 4. The Evolution of CER: A Meta-Analytic Perspective -- Chapter. 5. Scientometrics: A concise introduction and a detailed methodology for the mapping of the scientific field of computing education -- Chapter. 6. The Hands that Made Computing Education Research: Top Authors, Networks, Collaboration and Newcomers -- Chapter. 7. The Venues That Shaped Computing Education Research: Dissemination Under the Lens -- Chapter. 8. The Evolving Themes of Computing Education Research: Trends, Topic Models, and Emerging Research -- Chapter. 9. Capturing The Impact and The Chatter around Computing Education Research Beyond Academia in Social Media, Patents, and Blogs -- Chapter. 10. A Scientometric Perspective on the Evolution of the SIGCSE Technical Symposium: 1970-2021 -- Chapter. 11. ITiCSE Working Groups As an Engine for Community-Building -- Chapter. 12. A Case Study: The Uppsala Computing Education Research Group (UpCERG) -- Chapter. 13. Future Technology Lab: A plug-in Campus as an agent of change for Computing Education Research in the Global South -- Chapter. 14. CER in Baltic Countries -- Chapter. 15. CER in the Global South -- Chapter. 16. Computing Education Research in Finland -- Chapter. 17. CER in Australasia -- Chapter. 18. Computer Science Education Research in Israel -- Chapter. 19. CER in the UK & Ireland -- Chapter. 20. CER in schools -- Chapter. 21. Conceptualizing Approaches to Critical Computing Education: Inquiry, Design, and Reimagination.