Aunt Harriet's Underground Railroad in the sky / Faith Ringgold.
Illus. in full color. Cassie, who flew above New York in Tar Beach, soars into the sky once more. This time, she and her brother Be Be meet a train full of people, and Be Be joins them. But the train departs before Cassie can climb aboard. With Harriet Tubman as her guide, Cassie retraces the steps...
New York :
Crown Publishers, Inc.,