Percy Jackson & the Olympians

1. The Lightning Thief (2005)
2. The Sea of Monsters (2006)
3. The Titan's Curse (2007)
4. The Battle of the Labyrinth (2008)
5. The Last Olympian (2009)

The Heroes of Olympus

1. The Lost Hero (2010)
2. The Son of Neptune (2011)
3. The Mark of Athena (2012)
4. The House of Hades (2013)
5. The Blood of Olympus (2014)

Graphic novels

1. The Lightning Thief Graphic Novel (2010)
2. The Sea of Monsters Graphic Novel (2013)
3. The Titan's Curse Graphic Novel (2013)
4. The Lost Hero Graphic Novel (2014)
5. The Red Pyramid Graphic Novel (2012)

Related books

1. The Demigod Files (2009)
2. Percy Jackson's Ultimate Guide (2010)
3. The Demigod Diaries (2012)
4. Percy Jackson's Greek Gods  (2014)
5. Percy Jackson's Greek Heroes (scheduled for 2015)
6. Kane Chronicles Survival Guide (2012)

The Kane Chronicles

1. The Red Pyramid (2010)
2. The Throne of Fire (2011)
3. The Serpent's Shadow (2012)

The 39 Clues series

1. The Maze of Bones (2008)
2. Introduction to The 39 Clues: The Black Book of Buried Secrets (2010)
3. Vespers Rising (2011)

Tres Navarre series

1. Big Red Tequila (1997)
2. The Widower's Two-Step (1998)
3. The Last King of Texas (2001)
4. The Devil Went Down to Austin (2002)
5. Southtown (2004)
6. Mission Road (2005)
7. Rebel Island (2008)

Stand alone novels

1. Cold Springs (2004)

Camp Half-Blood/Kane Chronicles crossovers

1. The Son of Sobek (2013)
2. The Staff of Serapis (2014)
3. The Crown of Ptolemy (2015)

Magnus Chase and the Gods of Asgard

1. The Sword of Summer (scheduled for fall 2015)