An interesting book, with a brief overview of the history of the Albigensian Crusade and the persecution and destruction of the Cathars by the Catholic church, followed by a detailed card-by-card look at the Major Arcana of the Tarot of Marseille, tying the artwork and symbolism into Cathar history and spiritualism. It's a straightforward read, and certainly thoroughly researched, but of course the ultimate problem is that very little written evidence remains of the Cathars, such was the grinding of the Inquisition against them, and the entire section on the Tarot art as a secret, hidden Cathar code is pure speculation. However, Tarocchi cards were certainly popular at the time, and as their uses have evolved over the years, there is equally little evidence that the Cathars didn't use them to carry their message.
Interestingly enough, Bishop Fournier, who propelled the Inquisition against the heretics of the Languedoc, took the name Benedict XII when he became pope, a name shared by Ratzinger, Benedict XVI, another Prefect of the Holy Inquisition. I wonder what card they would have given him.
All in all, as an exploration of medieval symbolism it is fascinating, and as an esoteric read it is highly enjoyable.