Henrietta Lacks isn’t exactly a household name, but ask any scientist who works in any capacity with cells and cell lines, and HeLa is almost as ubiquitous as oxygen. That these ubiquitous, “immortal” cells came from somewhere—specifically, from an African American woman named Henrietta Lacks—is the story of this book, along with the stories of Henrietta’s family, friends, and the amazing HeLa cell line that lives on in cell culture labs around the world.