Best-selling American author Dan Brown, creator of the publishing phenomenon “The Da Vinci Code”, released his latest thriller Tuesday in 16 languages simultaneously.

“The Secret of Secrets”, which runs to nearly 700 pages in English, marks Brown’s return eight years after his last novel, “Origin”.

Brown called it “by far the most intricately plotted and ambitious novel I’ve written to date.”

“The hallmarks of Dan’s books — codes, art, history, religion, and cutting-edge science –- are on full display alongside a propulsive plot,” the CEO of publisher Penguin Random House Global, Nihar Malaviya, said in a statement.

Publishers, printers and translators worked in secrecy and with strict confidentiality clauses to prevent leaks in the run up to the release.

Brown, 61, is set to begin a

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