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 and Mathematics. These inspiring figures from all over the globe used their skill or intellect to solve problems, rising above adverse circumstances to leave a lasting impact through their ground-breaking discoveries or inventions. Our heroes will inspire young readers to greater heights with their thirst for knowledge and sense of determination!The World of Science Heroes comic series features individuals from a variety of fields -- Chemistry, Biology, Physics, Medicine, Psychiatry, Mental Health, Architecture, Engineering, Conservation and the Environment, Biomedical Research, Virology and Immunology, Communications, Technopreneurship, Business, Mathematics, Programming, and so on.Each book will highlight a dominant heroic aspect. The 9 aspects are: