Big questions deserve smart answers—even for the littlest learners.From the #1 science series for kids comes Germ Theory for Babies—a gentle, clear, and empowering way to teach toddlers how germs work and how we protect ourselves.Created by physicist Chris Ferrie and public health expert Neal Goldstein, this board book turns the complex world of microbes into a playful early lesson in science, hygiene, and health. With bold visuals and simple explanations, it gives children the tools to understand their environment—and helps grown-ups start important conversations.Whether you're preparing for daycare, navigating cold season, or teaching handwashing habits, Germ Theory for Babies provides peace of mind and a practical path to learning.Inside this science-backed board book for ages 0–4: Breaks down what germs are and how they spread, in toddler-friendly terms Encourages healthy routines like handwashing and covering coughs—without fear Trusted by parents and educators as part of the bestselling Baby University series A read-aloud that makes health science engaging, comforting, and easy to revisit