Clay Maps

Clay maps are a type of map that show the memories of topography, or natural places such as hills, fields, forests, rivers, etc. They are activated by water. "'...she dipped her finger into the cool liquid. Then she held it over the clay tablet and let a single drop fall. Immediately the surface of the clay began to change, and an intricately painted map appeared on the surface.'"- Narration, The Glass Sentence, Chapter 5: Learning to Read

Appearances of Clay Maps

 * The Glass Sentence, Chapter 5: Learning to Read

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