The Son of Neptune
Rick Riordan
Heroes of Olympus (2)
The Serpent's Shadow
Kane Chronicles (3)
The Sea of Monsters
Percy Jackson and the Olympians Book (2)
The Lightning Thief
Percy Jackson and the Olympians Book (1)
The Last Olympian
Percy Jackson and the Olympians (5)
Demigods and Monsters
Rick Riordan & Rosemary Clement-Moore & Cameron Dokey & Paul Collins & Carolyn MacCullough & Ellen Steiber & Elizabeth M. Rees & Jon Voelkel & Pamela Voelkel & Jenny Han & Sarah Beth Durst & Hilary Wagner & Hilari Bell & Elizabeth E. Wein & Kathi Appelt & Sophie Masson & Nigel Rodgers
Percy Jackson and the Olympians (6)