If you are shopping on-line on Black Friday or Cyber Monday, please consider supporting NCSE through AmazonSmile. When you make a purchase via http://smile.amazon.com/ch/11-2656357, NCSE receives 0.5% of the price (for eligible purchases). And if you're feeling especially generous, make a donation to NCSE by purchasing books and items of hardware, software, and office equipment from NCSE's Amazon.com wish list.