Take a look at some exclusive concept art pieces from Structura 3: The Art of Sparth! http://goo.gl/XnVGTY
Concept artist Nicolas Bouvier, a.k.a. Sparth was kind enough to share some of his concept art pieces featured in Structura 3: The Art of Sparth a follow up to Structura and Structura 2.
Structura 3: The Art of Sparth is now available at Amazon: http://goo.gl/Q5KXJZ