The latest installment in the series, including the international bestseller “The Da Vinci Code,” is now available! Professor Langdon tackles a new mystery in Prague.
KADOKAWA Co., Ltd. Press release: September 9, 2025 To Members of the Press The latest installment in the series, including the
international bestseller “The Da Vinci Code,” is now available! Professor Langdon takes on a new mystery in Prague. The latest installment in the Langdon series, “The Secret of Secrets,” (volumes 1 and 2), is scheduled for release on November 6, 2025. The theme of this work is “human consciousness.”
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https://prcdn.freetls.fastly.net/release_image/7006/17662/7006-17662-0f27c7efb7d4e41a2b2c62225d5af534-1806×2674.jpg The Secret of Secrets (Volume 2) KADOKAWA Corporation (headquarters: Chiyoda-ku, Tokyo) will release Dan Brown’s The Secret of Secrets (Volumes 1 and 2) on November 6, 2025 (scheduled). The theme of this work is “human consciousness.” Set in the world’s most mysterious ancient city, Prague, which is depicted with a bewitching charm, Professor Langdon takes on paranormal phenomena. The original book will be released on September 9th, making this the fastest Japanese translation of a Dan Brown work to date. Please look forward to it. Dan Brown Special Site We have reopened our special site showcasing the works of Dan Brown. We will update the latest information on “Secret of Secrets” regularly. Click here for the special website>> Previous work introduction video To commemorate the release of the new book, we’ve also released a promotional video for the “Langdon Series” that explains it in about a minute! This introduces stories from the 15 paperback volumes published so far.
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https://www.youtube.com/watch?v=V5q_btm8p0M Synopsis Robert Langdon, a distinguished professor of symbolism, is in Prague to hear a lecture by Katherine Solomon, a brilliant intellectual scientist and recent love interest. During the lecture, Katherine explains her upcoming book, which explores astonishing discoveries about human
consciousness. But the information is so groundbreaking that it threatens to challenge centuries of accepted beliefs. A brutal murder throws Langdon into chaos, and Catherine suddenly disappears with her manuscript. As the story unfolds in London and New York, Langdon desperately searches for Catherine and unravels the mystery. After tackling futuristic science and mysterious folklore, he discovers the shocking truth about a secret project. Author profile
https://prcdn.freetls.fastly.net/release_image/7006/17662/7006-17662-5cafe840a0b11296c2f3190fdc78c373-2561×2561.jpg Dan Brown (C) BEN FLYTHE Dan Brown Born in New Hampshire in 1964. After graduating from Amherst College, he worked as an English teacher before becoming a writer. His representative works, the “Robert Langdon Series” — Angels & Demons, The Da Vinci Code, The Lost Symbol, Inferno, and Origin — have captivated readers worldwide and continue to spark intellectual debate, dialogue, and speculation. His novels have been published in 56 languages worldwide, with a total circulation of over 250 million copies. His father is a mathematician and his mother is a religious musician. Translator profile Echizen Toshiya Literary translator. Born in Kanazawa City, Ishikawa Prefecture in 1961. Graduated from the Department of Japanese Literature, Faculty of Letters, University of Tokyo. Has translated over 100 books, including works by Dan Brown. His solo works include “One Hundred Views of Translation” (Kadokawa Shinsho). Bibliographic information
https://prcdn.freetls.fastly.net/release_image/7006/17662/7006-17662-193aa84c84b12d813dcc6eefff7be583-1806×2674.jpg “Secret of Secrets (Part 1)” The Secret of Secrets (Volume 1) Author: Dan Brown Translation: Toshiya Echizen Price: ¥2,750 (¥2,500 tax) Format: 46-ban Number of pages: 400 ISBN: 9784041164693 Release date: Thursday, November 6, 2025 : KADOKAWA Corporation KADOKAWA Official Bibliographic Details Page >>
https://prcdn.freetls.fastly.net/release_image/7006/17662/7006-17662-ff3c8a9f2ed9de686390612515284240-1806×2674.jpg “Secret of Secrets (Part 2)” “Secret of Secrets (Part 2)” Author: Dan Brown Translation: Toshiya Echizen Price: ¥2,750 (¥2,500 tax) Format: 46-ban Number of pages: 432 ISBN: 9784041164709 Release date: Thursday, November 6, 2025 : KADOKAWA Corporation KADOKAWA Official Bibliographic Details Page >>