Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Cuban defector tell-all

The author furnishes a first hand account of his experiences at the Bay of Pigs (on Castro's side) and details his career in the Cuban Intelligence Service from training through defection. He provides information on Cuban spy methodology and terminology, as well as glimpses into a brief period in the life of Che Guevara. It's a shame the author didn't share more anecdotes and make this book longer. Definitely an interesting read!