Enola Holmes: The Case of the Missing Marquess: An Enola Holmes Mystery

Percy Jackson and the Lightning Thief (Book 1)

Enola Holmes: The Case of the Bizarre Bouquets

Percy Jackson and the Sea of Monsters (Book 2)

Enola Holmes: The Case of the Left-Handed Lady: An Enola Holmes Mystery

The House of Hades (Heroes of Olympus Book 4)

Enola Holmes: The Case of the Cryptic Crinoline

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

The Blood of Olympus (Heroes of Olympus Book 5)

Percy Jackson and the Last Olympian (Book 5)

The Mark of Athena (Heroes of Olympus Book 3)

The Son of Neptune (Heroes of Olympus Book 2)

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