TY - BOOK AU - Brown,Dan TI - The Secret Of Secrets: Robert Langdon # 6 SN - 9780385546898 PY - 0000///September 092025/// CY - [Place of publication not identified] PB - Doubleday Books KW - Missing persons KW - Symbolism KW - College teachers KW - Mind and body KW - Women scientists KW - Consciousness N1 - new book 2025 fall N2 - 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."-- ER -