William Johnstone 
Enemy in the Ashes [EPUB ebook] 

"The tide of battle turns when the war is fought on the enemy’s home ground. Victory demands the total destruction of the foe’s ability to make war. A just peace is achieved only when the last redoubt is taken, the last enemy soldier slain." -Ben Raines. In a shattered world struggling to rebuild, oil is the lifeblood of industry–what remains of it. Now, poised with a nuclear dagger ready to cut that vital lifeline, stands El Farrar, barbaric warlord of the Near East. Leagued in global conspiracy with Claire Osterman, power-grasping President of the recently defeated northern USA, he’s threatening to contaminate the vast oil reserves with centuries-long lethal radioactivity, throwing civilization back into a new Dark Age. Backed by the still-free Southern United States of America, betrayed by unholy UN treachery, Ben Raines and his army of battle-hardened raiders call on their own raw courage and determination to attack terror-master Farrar where he lives–and set the region ablaze from Baghdad to Teheran…