(2013) Book: "The Teutoburg Saga". Madrid: Ediciones B. (2013) Book: "Kamien Monarchy". Warsaw, Poland: TMR Publishers. (2013) Book: "Spear of Destiny". Barcelona, Buenos Aires: Edhasa. (2012) Book: "Lords of Earth". Barcelona, Buenos Aires: Edhasa. (2011) Book: "MonarchStone". Random House. (2011) Book: "Gothland's Vampire". Random House.