Books

• The Vesuvius Prophecy, by Greg Cox, is the first book based on the series. It was released in June of 2008. Set during the show’s third season, the plot revolves around Maia’s prophecy of the eruption of Mt. Rainier.

• Wet Work, by Dayton Ward and Kevin Dilmore, is the second original novel based on the series. Published in October 2008, it is set during the show’s second season. Its plot concerns Tom and Diana’s hunt for a rogue government assassin who uses her promicin powers to kill people.

• Welcome to Promise City, by Greg Cox, is the third book based on the series, and the first set after the events of the end of the series. It was published on July 28, 2009.

• Promises Broken, by David Mack, is the fourth book based on the series, and the second set after the end of the show. It was published on October 27, 2009.