Pedro Velasquez’s gripping 1851 Illustrated Memoir of an Expedition into Central America chronicles the enterprising Hammond expedition that absconded with a pair of native children after discovering Iximaya, a fabled city hidden in deep in the…

Printed tactile, or relief, maps began to be published during the early nineteenth century and were used to teach the sighted and the blind geography. Initially used in Europe, they were introduced into the United States by American educators who…