What if a single spark of curiosity could light up the world? On a stormy night, a curious boy named Nikola watched lightning split the sky. That spark of wonder grew into a lifetime of ideas-ideas that helped bring safe, steady light to homes and cities around the world. In this thrilling children's biography, readers ages 3-8 will discover how Nikola Tesla turned questions into inventions. From noticing sparks on a cat's fur to building "mind movies" of machines, his journey shows that imagination and persistence can change the world. Told in five short chapters-Sparks, Idea, Current, Night Work, and Bright City-this book is perfect for home, school, or travel reading. With engaging storytelling and detailed black-and-white illustrations, it makes science feel like an adventure anyone can begin with a single question.