Skulduggery Pleasant (2007)
(The Sceptor of The Ancients)

Playing With Fire (2008)

The Faceless Ones (2009)

Dark Days (2010)

Mortal Coil (2010)

Death Bringer (2011)

Kingdom of The Wicked (2012)

Last Stand of Dead Men (2013)

The Dying of The Light (2014)

Resurrection (2017)

Midnight (2018)

Bedlam (2019)

Seasons of War (2020)

Dead or Alive (2021)

Until The End (2022)

The End of The World (2012) (World Book Day 2012)

Tannith Low In: The Maleficient Seven (2013) (From The World of Skulduggery Pleasant)

Armageddon Outta Here (2014) (A New Novella of Gripping Stories)

Apocalypse Kings (2021) (World Book Day 2021)

The Skulduggery Pleasant Grimoire (2021) (The Secret History of The Universe)

The Sorceror's Stone (1997)
The Chamber of Secrets (1998)
The Prisoner of Azkaban (1999)
The Goblet of Fire (2000)
The Order of The Phoenix (2003)
The Half-Blood Prince (2005)
The Deathly Hallows (2007)

The Lightning Thief (2005)
The Sea of Monsters (2006)
The Titan's Curse (2007)
The Battle of The Labyrinth (2008)
The Last Olympian (2009)

The Lost Hero (2010)
The Son of Neptune (2011)
The Mark of Athena (2012)
The House of Hades (2013)
The Blood of Olympus (2014)

The Hidden Oracle (2016)
The Dark Prophecy (2017)
The Burning Maze (2018)
The Tyrant's Tomb (2019)
The Tower of Nero (2020)

The Red Pyramid (2010)
The Throne of Fire (2011)
The Serpent's Shadow (2012)