According to the Maya calendar, there have been four Suns throughout history and the ending of every Sun has been punctuated by a cataclysm and collapse of civilization. According to this calendar, the current Sun is scheduled to end on December 23, 2012. This clear and accessible introduction to the Maya warnings explores the full details of the prophecy and how it will affect civilized life. It also explains how all aspects of Maya culture provide support for the accuracy of the prophecy—from the planning of Maya cities and temple systems to the Maya system of mathematics—and demonstrates the sophistication of Maya astronomy. Information is also provided on what has been foretold, and how humans can prepare for the future.