Great news!! Now TUGP is available at http://www.smashwords.com as well!! The exact link is: https://www.smashwords.com/books/view/482006 To celebrate this, we offer TUGP with 30% discount for limited time until 15 October 2014!! Just enter the following coupon code before you buy it: QR32E. The new price is only $2.09!!! Crazy right? Don’t think about it, go buy it NOW! Tomorrow it will be $2.99 again.