Percy Jackson and the Lightning Thief (Book 1)

The Thieves of Ostia: Book 1

Percy Jackson and the Sea of Monsters (Book 2)

The Sirens of Surrentum: Book 11

Percy Jackson and the Last Olympian (Book 5)

The Enemies of Jupiter: Book 7

Percy Jackson and the Titan's Curse (Book 3)

The Slave-girl from Jerusalem: Book 13

The Blood of Olympus (Heroes of Olympus Book 5)

The Colossus of Rhodes: Book 9

Percy Jackson and the Battle of the Labyrinth (Book 4)

The Man from Pomegranate Street: Book 17

The House of Hades (Heroes of Olympus Book 4)

The Case of the Good-Looking Corpse: Book 2

The Mark of Athena (Heroes of Olympus Book 3)

The Twelve Tasks of Flavia Gemina: Book 6

The Fugitive from Corinth: Book 10

The Dolphins of Laurentum: Book 5