Abstract: Rebecca L. Skloot /ˈskluːt/ is a freelance science writer who specializes in science and medicine. Her first book, The Immortal Life of Henrietta Lacks (2010), was one of the best-selling new books of 2010, staying on The New York Times Bestseller list for over 6 years and eventually reaching #1. The book tells Henrietta Lacks and the immortal cell line (known as HeLa) that came from her cancer cells in 1951.