The long-awaited new race-against-time thriller from the global bestselling author of The Da Vinci Code and Angels & Demons. Accompanying celebrated academic, Katherine Solomon, to a lecture she's been invited to give in Prague, Robert Langdon's world spirals out of control when she disappears without trace from their hotel room. Far from home and out of his comfort zone, Langdon must pit his wits against forces unknown to recover the woman he loves. But Prague is an old and dangerous place, steeped in folklore and mystery. Little can Langdon know that he is being stalked by a spectre from that dark past. He must use all of his arcane knowledge to navigate a shadow city hiding in plain sight, a city which has successfully kept its secrets for centuries and will not readily give them up. The Secret Of Secrets is Dan Brown's first novel for over eight years and sees the stunning return of Harvard symbologist Robert Langdon, this time pitting his wits against a conspiracy which will test even his considerable brainpower and take him to the edge of losing all that he holds dear…