First, without any further ado, as I’ve gotten this question a few times, here’s a handy link to the map of the Northland from A King for Ravens:
Also important, however, is where to BUY the book! So here’s that info:
Here’s where to find AKFR on Smashwords: https://www.smashwords.com/books/view/566771
And since Smashwords is awesome, you can also find it on Barnes & Noble: http://www.barnesandnoble.com/w/a-king-for-ravens-p-vincent-horta/1122478772?ean=2940152080780, among other place.
And here is A King for Ravens on Amazon: http://www.amazon.com/King-Ravens-Esdrasine-Cycle-Book-ebook/dp/B013QEK902/