23:17 09/26/2024 The professor told me to write a thesis on ninjas. 0 (0) So, I ground the beans, made ink, and wrote with it. The writing had to be heated over fire to make it visible. Received A How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.