The Sun and the Star by Rick Riordan and Mark Oshiro is an exciting fantasy adventure set in the world of Percy Jackson. The story follows Nico di Angelo and Will Solace as they journey into the Underworld to rescue an old friend. Filled with Greek mythology, supernatural challenges, friendship, courage, and emotional moments, this novel takes readers on an unforgettable adventure. Ideal for fans of Percy Jackson, Greek mythology, young adult fantasy, and action-packed adventure stories, this book is a great addition to any fantasy reading collection.