What is the theme in Last Shot: A Final Four Mystery by John Feinstein?

Another of the primary themes that run throughout the novel is growing up and coming of age, even against adversity, such as uncovering a blackmailing scheme and being held hostage by the blackmailers Stevie struggles with the fact that his coming of age includes having a crush on Susan Carol in spite of the fact that she is a Duke fan and the direct opposite of everything he knows in his life.