- The red pyramid, the graphic novel, Rick Riordan ; adapted by Orpheus Collar ; lettered by Jared Fletcher
- The lost hero, the graphic novel by Rick Riordan ; adapted by Robert Venditti ; art by Nate Powell ; color by Orpheus Collar ; lettering by Chris Dickey
- Vespers rising, Rick Riordan ... [et. al.]
- The battle of the Labyrinth, the graphic novel, by Rick Riordan ; adapted by Robert Venditti ; art and color by Orpheus Collar and Antoine Dode
- Percy Jackson & the Olympians., the lightning thief, Fox 2000 Pictures presents in association with Dune Entertainment a 1492 Pictures, Sunswept Entertainment production ; a Chris Columbus film ; produced by Karen Rosenfelt ... [and others] ; screenplay by Craig Titley ; directed by Chris Columbus, Widescreen
- The maze of bones, by Rick Riordan ; a graphic novel by Ethan Young ; with color by George Williams
- Percy Jackson, Fox 2000 Pictures presents ; a Sunswept Entertainment/1492 Pictures production ; produced by Karen Rosenfelt, Michael Barnathan ; screenplay by Marc Guggenheim ; directed by Thor Freudenthal, Widescreen
- The sea of monsters, the graphic novel, by Rick Riordan ; adapted by Robert Venditti ; art by Attila Futaki ; color by Tamás Gáspár ; lettering by Chris Dickey
- The son of Neptune, the graphic novel, by Rick Riordan ; adapted by Robert Venditti ; art by Antoine Dodé ; color by Orpheus Collar ; lettering by Chris Dickey
- Serwa Boateng's guide to vampire hunting, by Roseanne A. Brown
- The serpent's shadow, the graphic novel, Rick Riordan ; adapted and illustrated by Orpheus Collar ; lettered by Chris Dickey
- 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
- The lightning thief, the graphic novel, by Rick Riordan ; adapted by Robert Venditti ; art by Attila Futaki ; color by José Villarrubia ; layouts by Orpheus Collar ; lettering by Chris Dickey
- The throne of fire, the graphic novel, Rick Riordan ; adapted and illustrated by Orpheus Collar ; additional illustration by Cam Floyd ; color flatting by Aladdin Collar ; lettered by Chris Dickey
- The Titan's curse, the graphic novel, by Rick Riordan ; adapted by Robert Venditti ; art by Attila Futaki ; color by Gregory Guilhaumond ; lettering by Chris Dickey