She set the gold leaf down on the table. "He didn't vanish," Dr. Vance whispered. "He found a way in ."

Her boss noticed. "Elara, your reports are covered in… charcoal?"

This particular Tuesday, a student slid a copy of Caravaggio: The Complete Works across the counter. The cover showed a sliver of The Calling of St. Matthew —a finger of light cutting through a tavern’s gloom.

"The Caravaggio monograph."

You could always tell one by its heft before you even read the spine. It wasn't just the thick, matte paper or the tip-in plates that felt like velvet. It was the gravity of the thing. A Phaidon book didn't just contain pictures of art; it was an object of art.