Christopher Columbus: The Voyage That Changed the World (Sterling Biographies)

{'Dimensions': '6 x 0.75 x 7.5 inches', 'Grade level': '4 - 6', 'ISBN-10': '1402760566', 'ISBN-13': '978-1402760563', 'Item Weight': '1.13 pounds', 'Language': 'English', 'Print length': '128 pages', 'Publication date': 'August 5, 2008', 'Publisher': 'Union Square Kids', 'Reading age': 'Baby - 12 years'}