Cloth Maps

Cloth maps are a type of map that show the memories of weather. They are activated by air."'The piece of linen fluttered briefly, and as it settled once again something remarkable happened. The surface started to change. Slowly, lines began to draw themselves across it.'"- Narration, The Glass Sentence, Chapter 4: Through the Library Door

Appearances of Cloth Maps

 * The Glass Sentence, Chapter 5: Learning to Read

Sophia first learns about cloth maps from a map of Boston in February 1831, kept in Shadrack Elli's Basement.