Join Miguel Boscana and other members of the talented staff at Rosenblum Cellars in Alameda for small, intimate seminars designed to introduce you to the exciting art and science of wine tasting by exposing the "hidden mysteries" of fine wines. These courses are developed to enhance your knowledge and enjoyment of wine. Using universal tasting techniques, you will become familiar with the language of the wine culture. They won't turn you into a wine snob, just spark your curiosity and interest in fine wines. Seminars are $20 per person ($5 off for club members). At the Alameda winery from 6:30 to 8 p.m. Scheduled classes are January 12, Basic Wine Tasting 101; February 16, Zinfandel, America's Heritage Grape; March 9, Rhone Wines and April 13, Component Identification. Call (510) 865-7081 x30 for more information and to sign up. Space is limited.