In Robert R. McCammon's novel "Swan Song," the narrative explores the tumultuous journey of humanity in a post-apocalyptic world. The story highlights the struggles of the characters as they navigate through chaos and despair. Amidst the devastation, the book emphasizes the importance of imagination as a refuge during difficult times. This concept suggests that the mind can provide solace and serve as an escape from harsh realities.

The idea that imagination can be a useful place to retreat to when facing challenges resonates deeply with the characters' experiences. By utilizing their creativity and inner visions, they find strength and resilience. McCammon illustrates how, in moments of darkness, the power of imagination can offer hope and the possibility of a better future, allowing individuals to endure even the toughest of circumstances.