This digital directory is free for existing PDF and paper map customers, but to get the free download code, you need to go to http://nancychandler.net/chiangmaidirectory.html. This page includes the current 'secret password' clues to get the 100% discount coupon. You will need the map in front of you to figure out the password. Once you have it, click on Buy Now and look of the link to Enter a Coupon Code / Get a Discount Now.
Please do not share this PDF with others. Our map is a labor of love. For us to offer a digital version is a bit of a risk as we rely solely on sales for survival. Thank you for your understanding.