Book excerpt: The government is the largest employer in the United States, with nearly two million workers, a number that is growing every year. Kaplan now offers Kaplan Civil Service Exams to help government employment applicants master the material they need to succeed. Applicants required to take and pass the comprehensive Civil Service Exam include people interested in specific government careers such as law enforcement, clerical, and air traffic control, as well as the majority of postal jobs (about 80 percent). Features: A review of the information covered on the Civil Service Exams, 6 practice exams and detailed answer explanations.