- The hidden oracle, Rick Riordan
- The lost hero, Rick Riordan
- The throne of fire, Rick Riordan
- Percy Jackson's Greek heroes, Rick Riordan ; illustrated by John Rocco
- The sword of summer, Rick Riordan
- Brooklyn House magician's manual, your guide to Egyptian gods & creatures, glyphs & spells, and more, by Rick Riordan ; illustrations by James Firnhaber ; hieroglyphs by Michelle Gengaro-Kokmen
- The hammer of Thor, Rick Riordan
- 9 from the Nine Worlds, stories, by Rick Riordan
- The ship of the dead, Rick Riordan
- The sea of monsters, Rick Riordan
- The burning maze, Rick Riordan
- Camp Jupiter classified, a probatio's journal, Rick Riordan
- The lightning thief, Rick Riordan
- The burning maze, Rick Riordan
- Camp Half-Blood confidential, your real guide to the demigod training camp, Rick Riordan
- The tower of Nero, Rick Riordan
- The battle of the Labyrinth, Rick Riordan
- The dark prophecy, Rick Riordan
- The hammer of Thor, Rick Riordan
- Percy Jackson's Greek gods, Rick Riordan ; with a full-color insert of artwork by John Rocco
- Daughter of the deep, by Rick Riordan; [illustrated by Lavanya Naidu]
- The tyrant's tomb, Rick Riordan
- The blood of Olympus, Rick Riordan
- The blood of Olympus, Rick Riordan
- The last Olympian, the graphic novel, by Rick Riordan ; adapted by Robert Venditti ; art by Orpheus Collar and Antoine Dodé ; lettering by Chris Dickey
- The Trials of Apollo: Book Two
- Demigods & magicians, Rick Riordan
- The sword of summer, Rick Riordan
- The cursed carnival and other calamities, new stories about mythic heroes, edited by Rick Riordan ; with stories by Carlos Hernandez, Roshani Chokshi, J.C. Cervantes, Yoon Ha Lee, Kwame Mbalia, Rebecca Roanhorse, Tehlor Kay Mejia, Sarwat Chadda, Graci Kim, Rick Riordan