Description Sam O'Neill's main job is to make himself invisible. His employers, the insufferable Walkers, prefer it that way. And as the Civil War rages on, the conflict escalates at the Walker estate. Sam?s brother joins the Union Army, and his parents hit the road, promising to send for Sam and his sister once they?ve secured a new position for the family. Now, staying under the Walkers? radar is critical for Sam and his sister; they?ve got a secret to hide. Includes historical background information, websites to visit, author interview, and a writing prompt.