"The Hidden Legacy Series" is a popular urban fantasy book series written by Ilona Andrews. Set in a world where magic and technology coexist, the story follows the life of Nevada Baylor, a private investigator with a unique ability to track down magical criminals. The series explores themes of family, loyalty, and the struggle for power among various magical houses. The series features a blend of action, romance, and humor, making it appealing to a wide audience. It includes several books, with each installment building on the characters and the intricate magical society. Readers are drawn to the dynamic relationships and the richly developed world.