With the apple harvest upon us in Sonoma County, we turn to the subject of hard cider in this edition of “Drinking Stories with Bill Swindell.”

Our guests are Darlene Hayes, author of the book “Cider Cocktails – Another Bite of the Apple,” and Ellen Cavalli, co-owner of Tilted Shed Ciderworks in Windsor. They provide a cider 101 tutorial about the drink and its history in advance of the Gravenstein Apple Fair this weekend at Ragle Ranch Park in Sebastopol, where local producers will be pouring