The main characters are Lina and Doon. Lina is a girl with a great sense of adventure. She finds the mysterious instructions that start their journey. Doon is a boy who is very interested in how things work. He is eager to fix the problems in Ember. Together, they form a great team to try and save their city.
There are two main characters in 'The City of Ember' science fiction. Lina, who is a very observant and tenacious girl. She is not afraid to explore and question things. Doon, on the other hand, is a boy full of ideas and the will to make things better. Their different personalities but shared goal of saving Ember make them the central figures in the story.