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Author | Dan Brown |
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Language | English |
Series | Robert Langdon |
Release number | 6 |
Genre | Crime, mystery, thriller |
Publisher | Transworld |
Publication date | September 9, 2025 |
Publication place | United States |
Pages | 688 |
ISBN | 9780385546898 |
Preceded by | Origin |
The Secret of Secrets is an upcoming mystery thriller novel by American author Dan Brown and the sixth installment in his Robert Langdon series, [1] following Origin . The book is scheduled to release on September 9, 2025. [2]