Concept artist veteran in the video Game industry, author of the Structura art book series (Design Studio Press), and art director for the Halo video games series. Nicolas "Sparth" Bouvier has contributed to the development of multiple games and books since 1996.  His work is also credited on major games like Alone in the dark 4 (2001), Cold Fear (2005), Prince of Persia - Warrior Within (2004), Assassin's Creed (2007), Rage (2011), Halo 4 (2012) and Halo 5: Guardians (2015). More than a hundred books, published across France, Canada and the United States, are also embellished by his cover illustrations.