The Book of Air and Shadows by Michael Gruber

A fire destroys a New York City rare bookstore—and reveals clues to a treasure worth killing for. . . . A disgraced scholar is found tortured to death. . . . And those pursuing the most valuable literary find in history are about to cross from the harmless mundane into inescapable nightmare.

From the acclaimed, bestselling author of Tropic of Night comes a breathtaking thriller that twists, shocks, and surprises at every turn as it crisscrosses centuries, from the glaring violence of today into the dark shadows of truth and lies surrounding the greatest writer the world has ever known.