Eagle in the Storm (Adventures of a Spymaster, Book one 1)

Its 1971. Greenhorn agent Bob Steck arrives at the U.S. embassy in Tehran on his first assignment to learn his new Boss has just been murdered. His heart stops when he finds himself appointed as the new CIA bureau chief. He perceives the coming Islamic revolution and tries to warn Washington but his news is ignored by politicians whose only interest is to sell airplanes and buy oil. As the disaster unfolds, Steck has to fight his way out of the country to save his embassy staff. Book one in a series following the career of CIA Spymaster Bob Steck.