When Jalen starts noticing yellow spots and sensitivity in his teeth, it’s up to Detective Maya to solve the mystery. Armed with her notebook, keen observation skills, and a love for solving puzzles, Maya investigates classmates, peers, and even Jalen’s own home habits. Daytime soda? Check. Late-night sugary snacks? Check. Skipped brushing and flossing? Double check. All clues point to a single sneaky culprit: Sir Soda.But is it too late to save Jalen’s smile? Join Maya as she uncovers the “villain” behind poor dental habits and teaches an important lesson: small daily choices lead to a big, healthy smile. Perfect for middle-grade readers who love fun mysteries, clever detectives, and learning important life lessons—without feeling like a lecture!