NPR did a series on her life and the book.
http://www.npr.org/2011/03/18/134622044/tracing-the-immortal-cells-of-henrietta-lacks
http://www.npr.org/2010/12/13/132030076/henrietta-lacks-immortal-cells-live-on-in-labs
http://www.npr.org/2010/02/02/123232331/henrietta-lacks-a-donors-immortal-legacy
Edited for clickable links?
Edited: yay!