Demigod Files

Disney

The Demigod Files (Percy Jackson & The Olympians)

Penguin

The Demigod Diaries: Rick Riordan (Heroes of Olympus, 6)

[(The Demigod Files)] [Author: Rick Riordan] published on (February, 2009)

Puffin Ltd

Rick Riordan Demigods 3 Books Collection Set (The Demigod Diaries [Hardcover], Percy Jackson: The Demigod Files & Demigods and Magicians)

Penguin Books Ltd (UK)

Demigod And Magicians: Three Stories from the World of Percy Jackson and the Kane Chronicles (Demigods and Magicians)

Disney

Camp Half-Blood Confidential: Your Real Guide to the Demigod Training Camp (Trials of Apollo)

The Demigod Files (a Percy Jackson and the Olympians Guide)

Puffin

The Kane Chronicles: The Throne of Fire          

Puffin

The Mark of Athena (Heroes of Olympus Book 3) (Heroes Of Olympus Series) (English Edition)

Puffin

Heroes of Olympus: The Son of Neptune (Heroes Of Olympus Series Book 2) (English Edition)