I read this book years ago and couldn't put it down. Deborah's (Oprah) story was not the intended focal point of the book, but as I remember her interactions with the author sort of took over. In that way the movie did well focusing on the relationship between the two. A huge part of the book was not just about the science or Henrietta herself but her family and a young writer getting herself into more than just a science book. I enjoyed it
