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The Secret of Secrets

Robert Langdon Book 6

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The Secret of Secrets

By: Dan Brown
Narrated by: Paul Michael
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THE INSTANT NUMBER 1 SUNDAY TIMES BESTSELLER & THE MILLION-COPY SELLING, LONG-AWAITED RACE-AGAINST-TIME THRILLER TAKING OVER THE WORLD

Accompanying celebrated academic, Katherine Solomon, to a lecture she’s been invited to give in Prague, Robert Langdon’s world spirals out of control when she disappears without trace from their hotel room. Far from home and out of his comfort zone, Langdon must pit his wits against forces unknown to recover the woman he loves.

But Prague is an old and dangerous place, steeped in folklore and mystery. Little can Langdon know that he is being stalked by a spectre from that dark past. He must use all of his arcane knowledge to navigate a shadow city hiding in plain sight, a city which has successfully kept its secrets for centuries and will not readily give them up...

Dan Brown returns with his first novel in more than eight years - guaranteed to have you at the edge of your seat. This time, Robert Langdon is up against a deadly conspiracy that will test him to the limits - and take him to the edge of losing everything.

'Left me speechless.'
'Read it in 48 hours.'
'Wow. Absolutely floored.'
'Completely addictive.'

© Dan Brown 2025 (P) Penguin Audio 2025

 Action & Adventure Amateur Sleuths Best of 2025 Editors Select Espionage International Mystery & Crime Mystery Mystery, Thriller & Suspense Spies & Politics Suspense Thriller & Suspense Exciting
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Editorial Review

The wait is over
After nearly eight years, Dan Brown returns with another thrilling addition to his legendary Robert Langdon series. This time, the professor is in Prague to attend a lecture by noetic scientist Katherine Solomon—a woman he’s also newly dating. The action kicks off quickly with a murder and then a disappearance. From there, the gripping plot spans both continents…and consciousness. Brown’s talent for immediately sucking you into the plot has only strengthened in his near-decade off, and the science explored—along with Brown’s disclaimer at the top of the book that all science and experiments you’ll hear about are real—is chilling. Performed by series narrator Paul Michael, I can safely say The Secret of Secrets was worth the wait.—Katie O., Audible Editor

All stars
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Had me gripped from the start. The narrator is very good. It doesn’t matter if his Slavic accent isn’t perfect, most listeners won’t realise nor care. The story is what’s important here and it’s brilliant.
Highly recommended.

Outstanding.

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I loved all Dan Brown books and anxiously awaited Secrets of Secrets. I have to admit this book is far to complicated for the average person. I'm not a neurologist, a neuroscientist, a geneticist.
I no nothing about cognitive neuroscience, or fMRI (Functional Magnetic Resonance Imaging) I can honestly say I skipped through over half of this book, I found it unbelievably scientific and BORING! Sorry, Dan, but it's a big no no from me!

Way too complicated for me!

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Too bad that all the Slavic characters have Russian accents. If you can't do the accent, just don't. It's so annoying

If you can't do the accent - doesn't 🤦‍♂️

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I’ve read and loved all Dan Brown’s previous books but I really found this one hard going. Lots of scientific explanations about the mind and consciousness which seemed to repeat itself throughout the whole book. The main bulk of the story takes place over a couple of days and it felt like the story has been bulked out because the story line is quite weak. Really disappointing.

Hard going……

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I liked the themes and the thoughts they provoked. This book felt like someone trying to add words to eke out time rather than add to a story. I would have like to have read more about Robert Langdon's symbol skills. That felt minimal in this book. The "twist" was also obvious a short time in despite using words to try and throw you off. Worth a read if you're a Dan Brown fan but, not his top title by a long shot.

this was incredibly wordy and long

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