The Obsidian Chamber

"Preston and Child return with the next book in their #1 New York Times bestselling series featuring Special Agent Pendergast"--"After a harrowing, otherworldly confrontation on the shores of Exmouth, Massachusetts, Special Agent A.X.L. Pendergast is missing, presumed dead. Sick with grief, his ward, Constance, retreats to her chambers beneath the family mansion at 891 Riverside Drive -- only to be taken captive by a shadowy figure from the past. Proctor, Pendergast's longtime bodyguard, sprin...