The Sun and the Star Novel by Mark Oshiro and Rick Riordan

The Sun and the Star by Mark Oshiro and Rick Riordan is a fantasy novel set in the Rick Riordan Presents universe. It follows the characters Nico di Angelo and Will Solace from the Percy Jackson series as they embark on a dangerous journey to the Underworld. Nico, a son of Hades, and Will, a son of Apollo, must confront their pasts, their relationship, and the challenges they face as they try to save the world and themselves. The novel explores themes of love, identity, and bravery.