The White House has declared ISIS vanquished. U.S. troops are returning from the Middle East. Victory is at hand. But Logan Alexander knows otherwise. While ISIS has lost ground in Iraq and Syria, they are flush with millions off dollars in stolen oil sales and they are using the internet to recruit foreign jihadists to carry the fight to America. In this, the 4th book in the Logan alexander series, Logan teams with the CIA, Special Forces, and law enforcement to take the fight to the Caliphate. With action in the U.S., Europe and the Middle East, Logan faces his most dangerous foe to date. The Last Caliph was a 2019 winner in the Readers' Favorite International Book Award Contest.