The Sun and the Star

The Sun and the Star is a 2023 American fantasy-adventure middle-grade fiction novel based on Greek-Roman classical mythology co-written by authors Rick Riordan and Mark Oshiro. It is a spin-off to the 2020 novel The Tower of Nero in The Trials of Apollo series. The story follows the adolescent demigods; boyfriends Nico di Angelo and Will Solace, the sons of Hades and Apollo, respectively, on their quest into Tartarus to rescue their old friend Bob, who is, in fact, the Titan Iapetus.

The Sun and the Star was published by Disney-Hyperion in the United States and by Puffin Books in the United Kingdom and was released on May 2, 2023. It immediately became the number one bestseller on The New York Times Best Seller list for Children’s Middle Grade Hardcover Books, continued to remain the number one bestseller on the list for an initial period of six weeks, became the number one bestseller on the list again for another period of eight weeks, and continued to remain in the top ten on the list after fifty-one weeks.