How does the author build the interest in Jonas Ceremony of Twelve?

The author builds interest in Jonas's Ceremony of Twelve by creating a sense of anticipation and mystery around the event. Through Jonas's thoughts and reactions leading up to the ceremony, the author gradually reveals that this event will determine his future role in the community, leaving readers curious about what will happen to him. Additionally, the author uses subtle hints and foreshadowing to keep the reader engaged and wondering about the significance of this ceremony.