Little Louis was born in France during a time when doctors were still trying to figure out what made people sick. During his teen years, he discovered a love for science and became famous for figuring out how to kill off damaging microbes.

Through his curiosity and creativity (and lots of trial and error), his research led to the development of vaccinations, a vital tool in today's world.

This inspiring book features stylish and quirky illustrations and extra facts at the back, including a biographical timeline with historical photos and a detailed profile of the iconic chemist's life.