Article & Photos By Jacqueline Bennett newsandviewsjb.com   A mystique has developed around R.J. Julia Booksellers. In an era when small, independent bookstores are being swallowed up or put out of business by large chains, this shoreline gem has not only survived but thrives.   Located in the downtown of quaint-ish Madison, Connecticut, R.J. Julia Booksellers is a ten minute drive from Hammonasset Beach State Park and about an hour north of New York City. It is a popular spot for author lectures and book-signings having drawn notables such as … Caroline Kennedy, Garrison Geillor, Nora Ephron, Barbara Walters, Julie Andrews, Bobby Flay, Amy Bloom, Tom Brokaw, local television news anchor Ann Nyberg … and the list goes on.   Madison is a community of 18,000, a two-mile jogging distance to…