This time the mysterious box that Ranger the Golden retriever found transports him to a Maryland plantation before the Civil War, where he must help a young house slave named Sarah and her younger brother Jesse find their way to the underground railroad and North to freedom, before Jesse is sold to a plantation further South.

Jericka Walker had planned to spend the summer before senior year soaking up the sun with her best friend on the Jersey Shore. Instead she finds herself in Coldwater, Maryland, a small town with a dark and complicated past where her estranged grandmother lives—someone she knows only two things her name and the fact that she left Jericka's mother and uncle when they were children. But now Jericka's grandmother is dying, and her mother has dragged...