You've come to Japan to master the ancient martial art of aikido. One day your friend Nada summons you to her school. She tells you she's being haunted a terrible curse that began the day an ancient and mysterious sword arrived in the mail. And now, the curse is on you, too! To save you both, you must discover the secret of the powerful sword. But how?
Original title: Secret of the Ninja
Genre: Fiction→ Children & Young Adult→ Adventure→ Choose-your-own-Adventure