I was incredibly excited to see this news upon seeing the headline in the New York Times, and surprised, because Harper Lee has been a recluse for almost her entire life since writing To Kill a Mockingbird , and has repeatedly insisted that she had no desire to publish another book ("I wouldn't go through the pressure and publicity I went through with To Kill a Mockingbird for any amount of money. Second, I have said…
I'm certainly thinking of running the ebook through a statistical analysis to see if the patterns in the writing match. If they were both written in the same time period by the same author, they should be pretty similar. I do hope there's nothing untoward going on here and that this book lives up to the legacy of To Kill a Mockingbird , but the possibility is at least worth examining.
You might compare it and the original to the work of other authors, such as Truman Capote.