Yanagawa Seigan (1789-1858) and his wife Kōran (1804-79) were two of the great poets of nineteenth-century Japan. They practiced the art of traditional Sinitic poetry--works written in literary Sinitic, or classical Chinese, a language of enduring importance far beyond China's borders. Together, they led itinerant lives, traveling around Japan teaching poetry and selling calligraphy. Seigan established Edo-period Japan's largest poetry society...