What she found at the bottom was not what she expected: a small room, roughly furnished, with a single oak table, a stack of journals tied with a ribbon, and a battered map of the island. A lamp sat on the table—an old carbide model—its glass clouded. The journals were labeled, in someone’s careful hand: 2009, 2010, 2011, 2012. The last one bore no year. The handwriting inside was small, meticulous, as if the writer trusted ink to shore up memory against erosion.