This updated guide to the small and "secret" back-lane wineries and tasting rooms of Sonoma profiles over 70 hard-to-find, authentic boutique estates that feature world-class, artisanal wines revered by locals and critics. Each year, tourists visit Sonoma's well-trodden wineries, many of which offer wines you can buy readily on the shelves of your local grocery store. Far more difficult to find are the picturesque, oftentimes family-run...