The Serpent's Shadow

The Red Pyramid: Kane Chronicles, The, Book One

The Cursed Carnival and Other Calamities: New Stories About Mythic Heroes

The Lost Hero

Percy Jackson's Greek Gods

The From the World of Percy Jackson: Sun and the Star: A Nico di Angelo Adventure

The Heroes of Olympus: The Demigod Diaries

Percy Jackson: The Demigod Files

Percy Jackson and the Olympians: Wrath of the Triple Goddess

Daughter of the Deep