Timeline

An in-series Timeline of Rick Riordan's books in the in-universe chronological order in which they are set. Some books and short stories are set around or at roughly the same time.
 * Note: This is a timeline for the stories written by Rick Riordan himself, do not include books and short stories under Rick Riordan Presents as they are set in a different universe from his work. Main series titles are in bold while companion stories are not.

Timeline

 * Percy Jackson's Greek Gods
 * Percy Jackson's Greek Heroes
 * The Demigod Diaries: Diary of Luke Castellan
 * The Lightning Thief
 * The Sea of Monsters
 * The Demigod Files: Percy Jackson and the Stolen Chariot
 * The Titan's Curse
 * The Battle of the Labyrinth
 * The Demigod Files: Percy Jackson and the Sword of Hades
 * The Demigod Files: Percy Jackson and The Bronze Dragon
 * The Last Olympian
 * Percy Jackson and the Singer of Apollo
 * The Demigod Diaries: The Staff of Hermes
 * The Lost Hero
 * The Red Pyramid
 * The Demigod Diaries: Leo Valdez and the Quest for Buford
 * The Throne of Fire
 * The Demigod Diaries: Son of Magic
 * The Son of Neptune
 * The Mark of Athena
 * The House of Hades
 * The Blood of Olympus
 * The Serpent's Shadow
 * The Son of Sobek
 * The Staff of Serapis
 * The Crown of Ptolemy
 * The Sword of Summer/The Hidden Oracle
 * Camp Half-Blood Confidential
 * The Dark Prophecy
 * The Hammer of Thor/The Burning Maze
 * The Ship of the Dead
 * 9 from the Nine Worlds: This Is Why I Hate Clothes Shopping

Trivia

 * Magnus Chase was said to be homeless for two years prior to The Sword of Summer, placing the time of his mother's death between The Battle of the Labyrinth and The Last Olympian.