New York: Greenwillow Books, (1992) dj. Hardcover first edition - A young adult which combines time travel and history. Sarah and her family have recently moved thereto rural Massachusetts to rebuild an old stone mill, but Sarah does not like it - after a freak lightning storm, she finds a strange boy by the pond, who tells her that he lived there in the 1850s as did his young friend Mercy, but in the during the colonial days of the late 1600s. As Sarah slowly pieces their strange stories together, and learns about the atrocities they endured as slaves, she becomes intrigued by their escape through time - and as she becomes more involved with their lives, with the long history of the mill, and with problems in her own family, her own concerns fade and she is able to reach out to her visitor from the past and to her own family. 241 pp. ISBN: 0-68811122X.