Extra History
Rome: The Punic Wars - The Second Punic War Begins (1x2)
:
Most of the research for these videos comes from:
Polybius' The Histories
http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0234
Livy's History of Rome
http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.02.0026
...but if you just want an overview, here's a wikipedia link:
http://en.wikipedia.org/wiki/Punic_Wars