This book brings together the stories of 12 people whose perseverance and determination led to contributions that improved the lives of the people around them. Did you know that Penicillin was discovered by accident and the invention of the stethoscope was inspired by a children's game? Step into George Hale's observatory. Read about how Katherine Johnson stood out despite racial discrimination. Walk alongside Tu Youyou in her persistent search for a malaria cure. Let Our Guardians inspire you to never give up!Come explore the world of heroes in the fields of Science, Technology, Engineering...

This book brings together the stories of 12 people whose perseverance and determination led to contributions that improved the lives of the people around them. Did you know that Penicillin was discovered by accident and the invention of the stethoscope was inspired by a children's game? Step into George Hale's observatory. Read about how Katherine Johnson stood out despite racial discrimination. Walk alongside Tu Youyou in her persistent search for a malaria cure. Let Our Guardians inspire you to never give up!Come explore the world of heroes in the fields of Science, Technology, Engineering...