Falling somewhere between history, historical fiction and spy novel, An Officer and a Spy is a fact-based account of the Dreyfus Affair, one of the more troubling times of the French military. When Alfred Dreyfus is accused and convicted of treason, it takes the newly appointed head of the French spy division, Georges Picquart to ferret out the truth. Robert Harris is a master story-teller, and this book is surely a page turner. At times the story seems unbelievable, or, at best, inconceivable, but the reader has to remember that all the events did actually occur. A definite must for anyone who has read and enjoyed Harris or Jean le Carre, or who is interested in French history.