This timely graphic novel is narrated by Lady Mary Wortley Montagu, who contracted smallpox in the 1700s. Lady Mary explains the history of smallpox, how countries tried to protect their citizens, how infectious diseases led to the creation of vaccines, and her role in promoting inoculation against smallpox in England. Students will learn about the discovery of bacteria, how the immune system works, vaccines that were developed for a variety of diseases, the different types of vaccines, the anti-vaccination movement, and the COVID-19 pandemic. Suitable for class read-aloud, independent reading, classroom or school libraries, and to assist with inquiry questions.