Best-selling author and creator of the Robert Langdon book series Dan Brown is returning for another chapter with a new novel: The Secret of Secrets. It's available to preorder now at Amazon.

Following the murder of a physicist, Father Silvano Bentivoglio, a symbolist, Robert Langdon, and a scientist, Vittoria Vetra, are on an adventure involving a secret brotherhood, the Illuminati.

In the book I am reviewing today, the fourth in the Robert Langdon series, the same author gives us a riveting travelogue centred around three cities - Florence and Venice in Italy and Istanbul in ...