Title: Way of the ninja
Description: Kai's sister, Nya, is kidnapped and he must learn Spinjitzu from Sensei Wu, a mysterious old man, to rescue her.
Subjects: Ninja, Juvenile fiction, Kidnapping, LEGO toys, Adventure and adventurers, Fantasy fiction, Fiction, Martial arts, Radio and television novels, Good and evil, Fantasy, Children's fiction, Adventure and adventurers, fiction, Kidnapping, fiction, Sisters, fiction, Toy and movable books, Secuestro, Training, Entrenamiento, Ficción juvenil, Spanish language materials