The Solomon Key is the working title of an unreleased novel currently in progress by Dan Brown, author of several conspiracy novels, most prominently Angels & Demons and The Da Vinci Code. [3] According to current information, The Solomon Key will be the third book involving Robert Langdon, the fictional Harvard University professor. In Freemasonry, the Widow's Son is a reference to Hiram Abiff, the chief architect of King Solomon's Temple in Jerusalem, who was killed rather than reveal the secrets of its construction.
The novel is expected to be released sometime in 2008