The Travels of Ibn Battuta: In the Near East, Asia, and Africa 1325-1354. Trans. Rev. Samuel Lee. Dover Publications Inc.: Mineola, NY. 2004. A wonderful translation of the original Ibn Battuta texts focusing on the breadth and depth of his travels, though it is edited for length.
Ibn Battuta. Ibn Battuta: Travels in Asia and Africa 1325-1354. Trans. H.A.R. Gibb. 1969. Augustus M. Kelley. Generally regarded as the most widely accepted translation of Ibn Batutta's writings.
Columbus, Christopher. The Journal of Christopher Columbus (during his first voyage, 1492-93. Trans. Clements R. Markham. 1893. Hakluyt Society. An absolute necessity for any of the Columbus activities, the Hakluyt Society is well-regarded as an excellent source for historical translations.
Marzano, Robert. Classroom Instruction that Works. Association for Supervision and Curriculum Development: New York. 2001. This book outlines much of the research done by Marzano about the most effective forms of classroom instruction as based upon statistical analysis.
Websites of Importance
http://earth.google.com - The website where teachers can download free copies of the program Google Earth that is used extensively in this unit.