Hizballah: A Primer
MERIP has published a typically excellent primer for the unfamiliar on Hizbullah. It gets beyond the slogans endlessly repeated in the media into the meat of what the organization really is, where it came from, and what it's real goals are. Have a read:
And while you're at it, familiarize yourself with the site, it is excellent. They are non-profit that operates on a shoestring budget in order to stay independent of political pressures, so if you can afford to subscribe to their publications, they can always use the support.