Ameri-scares Maryland: Terror in the Harbor by Elizabeth Massie
Approx. 31,450 words.
Published on July 30, 2013 by
Anne and Julie, on a school field trip to the National Aquarium in Baltimore, are having fun looking at the aquatic creatures and talking about other students. But suddenly, in one darkened deep sea room, Anne vanishes and a strange girl in ragged clothes appears in her place. Anne has switched places in time with a runaway slave named Millie.