These heroes imagined and invented a better world. What kind of hero will you be? Simple text and adorable illustrations tell the contributions of nine renowned inventors from around the world: Cai Lun, Leonardo da Vinci, Marie Curie, Thomas Edison, Orville and Wilbur Wright, Grace Hopper, Johannes Gutenberg, and Louis Pasteur.

Originally released by Vooks, 2019. Streaming video file encoded with permission for digital streaming by Infobase on May 02, 2022. Teacher's guide available under Additional info tag.