The Red Pyramid is the first book in the Kane Chronicles series, written by Rick Riordan. The story follows siblings Carter and Sadie Kane, who discover that they are descendants of ancient Egyptian pharaohs and possess magical abilities. Sadie, with her vibrant red hair, becomes a powerful magician as they embark on a quest to save their father and prevent an ancient god from rising. This action-packed adventure is filled with Egyptian mythology, humor, and sibling dynamics.