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Dan Brown Image Credit: AP

Dan Brown’s next thriller is set to come out next fall.

The plot and settings, are, for now, a mystery.

Doubleday announced on Wednesday that the novel is called Origin and is scheduled for September 26, 2017. The story will feature Harvard symbologist Robert Langdon, the protagonist for Brown’s mega-selling The Da Vinci Code and such blockbusters as Inferno and Angels & Demons. According to Doubleday, Origin will feature Brown’s usual blend of “codes, science, religion, history, art and architecture”.

Brown has guided readers on worldwide tours in his previous works, but there is no word yet on where Origins will lead to.

Doubleday isn’t commenting on the book’s geography, but does say Langdon will find himself in “the dangerous intersection of humankind’s two most enduring questions”.