Sterling, Dorothy Freedom Train : The Story of Harriet Tubman / by Dorothy Sterling - New York : Scholastic ; 1954 . - 191 pages : illustrations ; 20 cm . - Scholastic Biography . Z Story of one of the most famous conductors in the Underground Railroad. 910 Lexile Z Raz-Plus ISBN: 9780590436281 Subjects--Topical Terms: Underground Railroad--non-fiction LC Class. No.: E444.T899 Dewey Class. No.: 973.0496073024