With annual fairs getting plenty of publicity for their outrageous unhealthful food concoctions - think deep fried cereal, Twinkies and Oreos - instructions for converting summer's bounty of fresh fruits and vegetables to healthful winter staples is "a welcome addition," writes the author.

During the fair's run, visitors will learn how to make jams and jellies, the art of pickling and fermenting and how to preserve tomatoes. In addition to the demos, Master Food Preservers will take questions and offer food safety tips.