It has been a long time since the Frugal Diva toted around the Entertainment Book. I had lost touch with the great savings that could be had by buying a membership. Everything from dining to car washes to hotels are available at a discount. The best news is that they have moved into the digital age with a user friendly app.  If you are traveling to the East Coast, receive the 2014 book now for only $5 and they will send your 2015 Greater New York City & North Jersey Entertainment® Book next year for $5 off the retail price…