The first comprehensive book ever written about the Netherlands ducats is available to purchase by CoinTalk users in a special price, with a 25% discount. To get a discount please put cointalk coupon code during checkout on the website www.GoldDucats.com. This offer is time-limited! On this website you may also read more about the book and about the Netherlands gold ducats. UPDATE: For the Black Friday event 5 copies of the book are available for 99€ each (34% off!) in one-time offer until Nov 30. To get a copy in this price, please use this link: http://goldducats.com/product/blackfriday/ .