Get hooked on Santa Cruz County. Get hooked on zinfandel wine. Get hooked on a Mystery Series centered around both!  At the Mortal Zin Mystery Series launch event, you will meet the author and a longtime resident of Santa Cruz County, Diane Schaffer. The Mortal Zin Mystery Series is rooted in her summer work in a Santa Cruz County zinfandel winery, where she became fascinated with the unique history of zinfandel, California’s mystery grape.