* The Valley-Ward (2002)
* The Last Days (2006)
* The Darkest Hour (2008)
* Into the Wild (2010)
* The Storm (2012)
* The Tide (2014)
* The Reckoning (2016)
* The Dawn (2018)
* The Day of Wrath (2020)
* The End of Days (2022)
Short Stories:
* "The Last Stand" (2003)
* "The Road to Hell" (2004)
* "The Day the World Ended" (2005)
* "The Dead Walk" (2007)
* "The Last Battle" (2009)
* "The Apocalypse" (2011)
* "The End of the World" (2013)
* "The Final Day" (2015)
* "The Day of Judgment" (2017)
* "The Last Man" (2019)