Bibliography
This is a short list of books should you wish to read more about the subject, in the order of how helpful and informative they might be to you :
1. Ikle, Frank William, "German-Japanese Relations 1936-1940". Bookman Associates, New York 1956.
2. Meskill, Johanna Menzel, "Hitler and Japan: The Hollow Alliance". Atherton Press, New York 1966.
3. Presseisen, Ernest L. "Germany and Japan; A Study in Totalitarian Diplomacy 1933-1941". Martinus Nijhoff-The Hague, The Netherlands 1958.
4. Boyd, Carl "The Extraordinary Envoy; General Hiroshi Oshima and Diplomacy in the Third Reich, 1934-1939". University Press, Washington DC 1980.
Pictures and maps can be found at the following websites:
http://history.acusd.edu/gen/WW2Index/picindexmapsi.html
http://www.kansaspress.ku.edu/boyhit.html
http://baby.indstate.edu/gga/gga_cart/gecar127.htm
http://www.spartacus.schoolnet.co.uk/2WW.htm
http://www.dhm.de/lemo/html/biografien/RibbentropJoachim/
Links to Formation of an Axis: