Originally a series of blog posts, Tracy Ramos’ book is a journal of notes she wrote online to her baby, Darcy, who had a rare prenatal disease. Letters to Darcycontains the full transcript of these posts in chronological order, and that is all it contains. It is very much as if you are reading some one’s diary, and your heart goes the full range of emotions, from joy to extreme sorrow. It is rare that I read a book in one sitting, but I did with this one. I couldn’t stop as I read the heart-wrentching words of Tracy, as she so desired to have Darcy, but knew that, upon her…