I've recently edited a book on the NORTH slope of Vesuvius:
Apolline Project vol. 1. Studies on Vesuvius' North Slope and the Bay of Naples
You can read it for free on Google Books:
or buy it:
I hope you'll enjoy it, if you want to know more about the excavations in Pollena Trocchia and Somma Vesuviana, please ask and I'll be glad to send more notes, articles, and pictures.