Part One: General Introduction; 1. Retirement: An Introduction and Overview of the Handbook; Mo Wang; 2. The Evolving History of Retirement within the United States; Michael J. Zickar; 3. The Demography of Aging and Retirement; Felicia Wheaton and Eileen M. Crimmins; 4. Variations on a Retirement Theme: Conceptual and Operational Definitions of Retirement; Terry A. Beehr and Nathan A. Bowling; Part Two: Retirement Process Theoretical Perspectives; 5. The Life Course Perspective on Life in the Post-Retirement Period; Paul Wink and Jacquelyn Boone James; 6. Continuity Theory and Retirement; Monika E. von Bonsdorff and Juhani Ilmarinen; 7. The Theory of Selection, Optimization and Compensation; Boris B. Baltes and Cort W. Rudolph; 8. Protean Career Model and Retirement; Najung Kim and Douglas T. Hall; 9. Retirement and Human Resources Management: A Strategic Approach; Barbara L. Rau and Gary A. Adams; 10. Economic Theories of Retirement; John Laitner and Aanda Sonnega; 11. A Multilevel Perspective for Retirement Research; Maximiliane E. Szinovacz; Part Three: Retirement Research; 12. Research Methods in Retirement Research; Gwenith G. Fisher and Robert J. Willis; 13. Age, Gender, and the Retirement Process.; Barbara Griffin, Vanessa Loh, and Beryl Hesketh; 14. The Employer's Perspective on Retirement; K?ne Henkens and Hendrik P. van Dalen; 15. Retirement Attitudes: Considering Etiology, Measurement, Attitude-Behavior Relationships, and Attitudinal Ambivalence; Daniel A. Newman, Gahyun Jeon, and Charles L. Hulin; 16. Planning and Adaptation to Retirement: The Post-Retirement Environment, Change Management Resources, and Need-Oriented Factors as Moderators; Mary Anne Taylor and Meline Schaffer; 17. Retirement Decision Making; Steve M. Jex and James Grosch; 18. Feeling Like It's Time to Retire: A Fit Perspective on Early Retirement Decisions; Daniel C. Feldman; 19. Bridge Employment; Kevin E. Cahill, Michael D. Giandre, and Joseph F. Quinn; 20. Adjustment to Retirement; Hanna van Solinge; 21. The Association of Retirement with Physical and Behavioral Health; William T. Gallo; 22. Leisure Activities in Retirement; Lorraine T. Dorfman; 23. Family, Work, and the Retirement Process: A Review and New Directions; Russell A. Matthews and Gwenith G. Fisher; Part Four: Retirement Practice; 24. Social Security, Pension System, and Retirement Savings; Xiang Yao and Haoran Peng; 25. Employment Law and Retirement; Christina L. Causey and Joanna N. Lahey; 26. Effective Financial Planning for Retirement; Douglas A. Hershey, Joy M. Jacobs-Lawson, and James T. Austin; 27. Recruitment and Retention Strategies for Mature Workers; Jeanette N. Cleveland and Sarina M. Maneotis; 28. Designing Early Retirement Incentive Programs; Yujie Zhan; 29. Health Care and Health Insurance in Retirement; Karoline Mortensen and Jennifer Villani; 30. Learning and Training in Retirement; Jerry W. Hedge and Victoria A. Albright; 31. Technology and Retirement Life: A Systematic Review of the Literature on Older Adults and Social Media; Bo Xie, Man Huang, and Ivan Watkins; 32. Retirement Practices in Different Countries; Jos? Mar?a Peir?, N?ria Tordera, and Kristina Potocnik; Part Five: Future Trends and Conclusions; 33. The Changing Nature of Work and Retirement; Kenneth S. Shultz and Deborah A. Olson; 34. Collision Course: The Impending Impact of Current Immigration and Retirement Trends; Derek R. Avery, Sabrina D. Volpone, and Aleksandra Luksyte; 35. Generational Differences in Older Workers and Retirement; Jesse Erdheim and Michael A. Lodato; 36. Retirement and Creativity; Ryan Fehr; 37. Retirement Research: Concluding Observations and Strategies to Move Forward; Mo Wang