Every reader will give a different answer to this question, and many of them will be perfectly valid. In Stargirl , you can think of light as a symbol of joy, friendship and love, truth and knowledge, honesty, a beneficial connection with nature, and more. The important thing about analyzing the potential symbolism of light in this novel (or in any novel) is to find passages where light is mentioned, consider what they literally mean, and then consider carefully what they could figuratively mean. Let's check out some examples: 1. "And each night in bed I thought of [Stargirl] as the moon came through my window... I liked the feeling the moonlight gave me, as if it wasn't the opposite of day, but its underside, its private side..." For Leo, we see that he enjoys the light of the moon while he thinks about his strange new classmate. So perhaps for him, the muted, less intense light of the moon (compared to the sun’s light) symbolizes life’s mysteries to be explored. We...