A Companion to 20th-Century America is an authoritative survey of the most important topics and themes of twentieth-century American history and historiography.

• Contains 29 original essays by leading scholars, each assessing the past and current state of American scholarship
  
• Includes thematic essays covering topics such as religion, ethnicity, conservatism, foreign policy, and the media, as well as essays covering major time periods
  
• Identifies and discusses the most influential literature in the field, and suggests new avenues of research, as the century has drawn to a close