Character Strengths in a book
In the book "The Perks of Being a Wallflower", we see Charlie confront many of his problems by using all types of character strengths. For example, he uses perseverance to overcome the suicide of his friend.
He uses optimism to believe that the world could become a better one thought the things happening are very bad.
He uses social intelligence to maintain his new friends (Sam and Patrick), in trying to quit his shyness and in doing new things.
He uses curiosity to try new things, in going to parties and in writing to his "secret" friend.