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The Secret of Secrets

A Novel

Author Dan Brown On Tour
Hardcover
$38.00 US
6-1/8"W x 9-1/4"H (15.6 x 23.5 cm) | 35 oz (996 g) | 12 per carton
On sale Sep 09, 2025 | 688 Pages | 9780385546898
Sales rights: US, Canada, Open Mkt

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The world’s most celebrated thriller writer returns with his most stunning novel yet—a propulsive, twisty, thought-provoking masterpiece that will entertain readers as only Dan Brown can do.

Robert Langdon, esteemed professor of symbology, travels to Prague to attend a groundbreaking lecture by Katherine Solomon—a prominent noetic scientist with whom he has recently begun a relationship. Katherine is on the verge of publishing an explosive book that contains startling discoveries about the nature of human consciousness and threatens to disrupt centuries of established belief. But a brutal murder catapults the trip into chaos, and Katherine suddenly disappears along with her manuscript. Langdon finds himself targeted by a powerful organization and hunted by a chilling assailant sprung from Prague’s most ancient mythology. As the plot expands into London and New York, Langdon desperately searches for Katherine . . . and for answers. In a thrilling race through the dual worlds of futuristic science and mystical lore, he uncovers a shocking truth about a secret project that will forever change the way we think about the human mind.
Praise for Dan Brown

“Dan Brown is the master of the intellectual cliffhanger.” —Wall Street Journal

“Brown is a master of the breathless, puzzle-driven thriller.” —Richmond Times-Dispatch
© Dan Courter
Dan Brown is the author of numerous #1 international bestsellers, including Origin, Inferno, The Lost Symbol, The Da Vinci Code, Angels & Demons, Deception Point, and Digital Fortress. View titles by Dan Brown
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About

The world’s most celebrated thriller writer returns with his most stunning novel yet—a propulsive, twisty, thought-provoking masterpiece that will entertain readers as only Dan Brown can do.

Robert Langdon, esteemed professor of symbology, travels to Prague to attend a groundbreaking lecture by Katherine Solomon—a prominent noetic scientist with whom he has recently begun a relationship. Katherine is on the verge of publishing an explosive book that contains startling discoveries about the nature of human consciousness and threatens to disrupt centuries of established belief. But a brutal murder catapults the trip into chaos, and Katherine suddenly disappears along with her manuscript. Langdon finds himself targeted by a powerful organization and hunted by a chilling assailant sprung from Prague’s most ancient mythology. As the plot expands into London and New York, Langdon desperately searches for Katherine . . . and for answers. In a thrilling race through the dual worlds of futuristic science and mystical lore, he uncovers a shocking truth about a secret project that will forever change the way we think about the human mind.

Praise

Praise for Dan Brown

“Dan Brown is the master of the intellectual cliffhanger.” —Wall Street Journal

“Brown is a master of the breathless, puzzle-driven thriller.” —Richmond Times-Dispatch

Author

© Dan Courter
Dan Brown is the author of numerous #1 international bestsellers, including Origin, Inferno, The Lost Symbol, The Da Vinci Code, Angels & Demons, Deception Point, and Digital Fortress. View titles by Dan Brown

Rights

Available for sale exclusive:
•     Canada
•     Guam
•     Minor Outl.Ins.
•     North Mariana
•     Philippines
•     Puerto Rico
•     Samoa,American
•     US Virgin Is.
•     USA

Available for sale non-exclusive:
•     Afghanistan
•     Aland Islands
•     Albania
•     Algeria
•     Andorra
•     Angola
•     Antarctica
•     Argentina
•     Armenia
•     Aruba
•     Austria
•     Azerbaijan
•     Bahrain
•     Belarus
•     Belgium
•     Benin
•     Bolivia
•     Bonaire, Saba
•     Bosnia Herzeg.
•     Bouvet Island
•     Brazil
•     Bulgaria
•     Burkina Faso
•     Burundi
•     Cambodia
•     Cameroon
•     Cape Verde
•     Centr.Afr.Rep.
•     Chad
•     Chile
•     China
•     Colombia
•     Comoro Is.
•     Congo
•     Cook Islands
•     Costa Rica
•     Croatia
•     Cuba
•     Curacao
•     Czech Republic
•     Dem. Rep. Congo
•     Denmark
•     Djibouti
•     Dominican Rep.
•     Ecuador
•     Egypt
•     El Salvador
•     Equatorial Gui.
•     Eritrea
•     Estonia
•     Ethiopia
•     Faroe Islands
•     Finland
•     France
•     Fren.Polynesia
•     French Guinea
•     Gabon
•     Georgia
•     Germany
•     Greece
•     Greenland
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•     Guatemala
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•     Hungary
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•     Indonesia
•     Iran
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•     Israel
•     Italy
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•     Japan
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•     Kazakhstan
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•     Laos
•     Latvia
•     Lebanon
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•     Liechtenstein
•     Lithuania
•     Luxembourg
•     Macau
•     Macedonia
•     Madagascar
•     Maldives
•     Mali
•     Marshall island
•     Martinique
•     Mauritania
•     Mayotte
•     Mexico
•     Micronesia
•     Moldavia
•     Monaco
•     Mongolia
•     Montenegro
•     Morocco
•     Myanmar
•     Nepal
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•     Oman
•     Palau
•     Palestinian Ter
•     Panama
•     Paraguay
•     Peru
•     Poland
•     Portugal
•     Qatar
•     Reunion Island
•     Romania
•     Russian Fed.
•     Rwanda
•     Saint Martin
•     San Marino
•     SaoTome Princip
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•     Senegal
•     Serbia
•     Sint Maarten
•     Slovakia
•     Slovenia
•     South Korea
•     South Sudan
•     Spain
•     St Barthelemy
•     St.Pier,Miquel.
•     Sth Terr. Franc
•     Sudan
•     Suriname
•     Svalbard
•     Sweden
•     Switzerland
•     Syria
•     Tadschikistan
•     Taiwan
•     Thailand
•     Timor-Leste
•     Togo
•     Tokelau Islands
•     Tunisia
•     Turkey
•     Turkmenistan
•     Ukraine
•     Unit.Arab Emir.
•     Uruguay
•     Uzbekistan
•     Vatican City
•     Venezuela
•     Vietnam
•     Wallis,Futuna
•     West Saharan
•     Yemen

Not available for sale:
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•     Antigua/Barbuda
•     Australia
•     Bahamas
•     Bangladesh
•     Barbados
•     Belize
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•     Bhutan
•     Botswana
•     Brit.Ind.Oc.Ter
•     Brit.Virgin Is.
•     Brunei
•     Cayman Islands
•     Christmas Islnd
•     Cocos Islands
•     Cyprus
•     Dominica
•     Falkland Islnds
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•     India
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