I have to say thanks to one of the authors, Nanette McLain, for sending me a copy of this book. I read it, and carried it around in my purse, the whole time I was in NYC. My review of the locations we were able to hit is here:

http://misclisa.blogspot.com/2012/06/sisters-guide-to-nyc-cupcakes-by.html

I hope to go to more places next time I'm there!