The Preiser Key began in 2007 with the 1st comprehensive magazine of Wineries and Restaurants in the Napa Valley. Over the last 10 years the publication garnered a plethora of accolades for being a necessary resource from CNN, Jancis Robinson, Forbes, and more. Currently The Preiser Key publishes one 250,000 copies annually about Napa Valley and Sonoma, distributing the majority in those counties, as well to mailing lists around the world.