Riordan, Rick - The Demigod Files (2009, Penguin Adult, 978-0-14-193924-7)

Riordan, Rick - The Demigods of Olympus (2015, Disney Hyperion, 978-1-4847-5737-6)

Riordan, Rick - The Kane Chronicles Survival Guide ( Disney Book Group)

Riordan, Rick - The Last King of Texas (2000, Bantam)

Riordan, Rick - The Son of Sobek (2013, Penguin Books Ltd, 978-0-141-34999-2)

Riordan, Rick - The Staff of Serapis (2014, Penguin Books Ltd, 978-0-14-135543-6)