The adventure of Hai Wa, a twelve-year-old boy. He sent a secret letter about Japanese military information to the Eighth Route Army during the anti-Japanese war.The adventure of Hai Wa, a twelve-year-old boy. He sent a secret letter about Japanese military information to the Eighth Route Army during the anti-Japanese war.The adventure of Hai Wa, a twelve-year-old boy. He sent a secret letter about Japanese military information to the Eighth Route Army during the anti-Japanese war.
