Whose job is it to keep international secrets hidden and gather information in secretive ways? Readers are exposed to the exciting, and sometimes controversial, world of intelligence agencies in this detailed text. Intelligence agencies, such as the Federal Bureau of Investigation and Central Intelligence Agency, are covered in this engaging main text, which is supplemented with eye-catching, full-color photographs, helpful fact boxes, and fact-filled sidebars. Readers also learn about how these agencies manage spies, propaganda, and incoming threats.