The Red Pyramid is the first book in Rick Riordan's Kane Chronicles series. The story follows siblings Carter and Sadie Kane, who discover they are descendants of ancient Egyptian pharaohs and possess magical abilities. Sadie, with her fiery red hair, becomes a central character in their quest to save the world from chaos. Riordan's trademark blend of mythology, humor, and adventure makes The Red Pyramid an exciting read for fans of fantasy and Egyptian mythology.