In "The Titan's Curse" by Rick Riordan, the author humorously compares the unexpected impact of a flying burrito to other dangerous projectiles like grenades and cannonballs. This amusing analogy highlights the absurdity and surprise that can come from everyday situations, reflecting the adventurous and chaotic nature of the story.

Through this quote, Riordan underscores the blend of humor and seriousness found throughout his narrative. The idea of a flying burrito as a deadly projectile not only entertains but also sets the tone for the unpredictability of the challenges faced by the characters in the book.