Noted artist and teacher Nona Estrin will give a two-hour lesson on outdoor water color sketching.  In addition to being a naturalist, artist and conservationist, Nona and her husband, Charles Johnson, have authored a book, "In Season, A Natural History of the New England Year," which contains many of her sketches.  The successful bidder will receive an autographed copy of the book, and will be treated to a rich and fulfilling time with Nona, gaining experience capturing the natural world in watercolors, pen and ink.