Overview

• El último secreto (The Secret of Secrets) returns Robert Langdon in a Prague‑set thriller that foregrounds noetic research into consciousness and life after death.
• Brown told Spanish media the book is his most ambitious to date and said writing it convinced him to reconsider whether the brain produces consciousness.
• Publishers report rapid early sales and top chart positions following a tightly coordinated global rollout led from Prague with dozens of international partners.
• An eight‑hour miniseries has been reported for Netflix with Carlton Cuse attached, though casting remains unconfirmed and the streamer has not announced details.
• The novel spans roughly 830 pages and features Katherine Solomon, a noetics scientist, as a key figure without revealing plot turns.