sentences:  Kratman's first novel, "A State of Disobedience" (2003), deals with a revolution against tyranny in a future United States.The book was described by Lesley Farmer in "Kliatt" as a "libertarian-inspired combat story" with shallow characterization.Another politically-oriented stand-alone novel, "Caliphate" (2008), takes place in a future Islamic Europe where a German girl is sold into prostitution to pay her family's yizya.