The Son of Neptune: The Graphic Novel

By: Rick Riordan, Robert Venditti Illustrated By: Antoine Dode, Orpheus Collar

The Mark of Athena: The Graphic Novel

By: Rick Riordan, Robert Venditti Illustrated By: Orpheus Collar

The Lost Hero: The Graphic Novel

By: Rick Riordan, Robert Venditti Illustrated By: Nathan Powell

The Demigod Diaries

By: Rick Riordan

The Son of Neptune

By: Rick Riordan

The House of Hades

By: Rick Riordan

The Mark of Athena

By: Rick Riordan
The Heroes of Olympus

The Blood of Olympus

By: Rick Riordan
Read Riordan Box Set

Read Riordan

By: Rick Riordan

The Blood of Olympus

By: Rick Riordan Illustrated By: John Rocco

The Staff of Serapis

By: Rick Riordan Illustrated By: John Rocco

The Staff of Serapis

By: Rick Riordan Illustrated By: John Rocco

The Son of Sobek

By: Rick Riordan

The Mark of Athena

By: Rick Riordan

The Lost Hero

By: Rick Riordan

The Son of Neptune

By: Rick Riordan

The House of Hades

By: Rick Riordan