Information and accompanying exercises in this four-part booklet are designed to assist adults make changes in their career and personal lives. After introductory material describing career and life planning as a continual assessment process, Part I of the booklet reviews the common characteristics and problems of adults in each of five life stages: age 20 to 30; age 30 to 40; age 40 to 50; age 50 to 60; and age 60 or older. In Part I three questions are posed to help the reader assess the problems s/he currently faces and to examine the crises s/he has faced in the past ten years. Part II discusses and poses questions about eight factors to be considered in making a mid-life change: career, family, personal values, physical factors, psychological factors, leisure time, physical environment, and the influence of others over one's life. A list of 11 irrational beliefs that may impede change is also provided in Part II, as well as exercises which help the reader to identify the positive and negative factors of his/her current lifestyle. Next, Part III requires the reader to list options for change under each of the above eight factors, and Part IV provides a framework for a plan of action that requires the reader to set priorities for desired changes, determine a time frame for accomplishing these changes, and identify the assistance that will be needed for success. The booklet concludes with a 21-item bibliography of works dealing with change in adult life. (JP)