By Scott E. Casper.  ISBN-13:978-0-8090-8414-2.  Copyright 2008.  Hardcover with 286 pages including notes, index, and 16 black and white illustrated pages.

Sarah Johnson spent more than 50 years at Mount Vernon, in slavery and after emancipation.  Her life story and those of her family and friends create a portrait of Mount Vernon’s operation during the nineteenth and early twentieth centuries, years that are rarely part of its public story.