A phenomenal tale of espionage， double agents， and spy hunters。 Three high profile KGB spies have been caught in American intelligence agencies。 There's rumoured to be a fourth but he hasn't been brought to justice yet。 Baer presents the history of the KGB double-agents in the US and the evidence for the existence of the fourth man。 He details the dedication of the people investigating and the personal repercussions of undertaking that work。 I could not stop turning the pages and read it in one A phenomenal tale of espionage， double agents， and spy hunters。 Three high profile KGB spies have been caught in American intelligence agencies。 There's rumoured to be a fourth but he hasn't been brought to justice yet。 Baer presents the history of the KGB double-agents in the US and the evidence for the existence of the fourth man。 He details the dedication of the people investigating and the personal repercussions of undertaking that work。 I could not stop turning the pages and read it in one afternoon。 It reads like a CIA thriller but it's all real world。 It was so good I didn't want it to end。Thanks to Hachette AU for sending me a review copy。 。。。more