This book was published 2010 by Rourke Educational Media .

Monica Halpern is a children's book writer who has penned several National Geographic Science Chapters. She is also the author of Railroad Fever: Building the Transcontinental Railroad, 1830-1870 (which received a starred review in School Library Journal ) and Moving North: African Americans and the Great Migration, 1915 - 1930 . Halpern lives in Boston, Massachusetts.