The Secret of Secrets

In this sixth installment of the Robert Langdon series, Harvard symbologist Robert Langdon travels to Prague to accompany his romantic partner, prominent noetic scientist Katherine Solomon, to a groundbreaking lecture. Chaos erupts when a brutal murder takes place, and Katherine vanishes along with her explosive manuscript containing discoveries about human consciousness. Targeted by a shadowy organization and hunted by an assassin rooted in Prague's ancient mythology, Langdon must race through Prague, London, and New York to crack cryptic clues and uncover a truth that could change humanity's understanding of the mind forever.