Get ready to set sail with the Argo II once more! The Heroes of Olympus Book 3: The Mark of Athena: The Graphic Novel goes on sale 9/26/23! Feast your eyes on the exclusive cover reveal and check out the first plot synopsis below:

The third installment in the New York Times #1 best-selling Heroes of Olympus series from Rick Riordan, author of Percy Jackson & the Olympians, will soon be available as a graphic novel! The text has been adapted by Robert Venditti, a New York Times best-selling author whose characters and concepts have been adapted to film, television, and video games, and New York Times best-selling graphic novelist Orpheus Collar captured all the action with his expressive illustrations.

In The Son of Neptune, Percy, Hazel, and Frank met in Camp Jupiter, the Roman equivalent of Camp Half-Blood, and traveled to the land beyond the gods to complete a dangerous quest. The third book in the Heroes of Olympus series will unite them with Jason, Piper, and Leo. But they number only six–who will complete the Prophecy of Seven?

With old and new friends joining forces, a marvelous ship, fearsome foes, and exotic settings, The Mark of Athena is another unforgettable adventure by master storyteller Rick Riordan.

Stay tuned right here on Read Riordan for more exclusive cover reveals coming your way in the next few weeks.