This document is a collection of career profiles providing details on over 100 different careers in the sciences and mathematics. Each profile offers information on work performed, working conditions, hours and earnings, education and training, licenses and certification, personal qualifications, social and psychological factors, location, employment outlook, entry methods, advancement, and related occupations. A bibliography is provided with each profile for further research on the topic. In addition, articles which discuss the process of finding and keeping a job are reprinted. Included are: (1) "Basics for Career Success"; (2) "Corporate Culture: Cracking the Code"; (3) "Developing Confidence in Job Interviews: How To Conquer Fears and Make the Best of a Stressful Situation"; (4) "An Environment You Can Live With"; (5) "Finding the Job That Fits"; (6) "'Get a Job'--Notes for Beginners"; (7) "Getting a Job: Some Advice from a College Recruiter"; (8) "High School Graduates in Entry Level Jobs: What Do Employers Want?"; (9) "It Backfired: Solving Job Setbacks"; (10) "Jobs for the Deaf"; (11) "Planning for a Job: Tips for Disabled Students"; (12) "Rapid Changes, New Opportunities"; and (13) "Supporting Documents Reinforce Resume". (CW)