For some more history comics be sure to check out
1.27.09 ILLUSTRATING WORLD HISTORY?
1.26.09 FRAMING AMERICAN HISTORY
NEW COMIC: Gonick's History of the World Series

Plus these Glencoe graphic novels:
1. American History Ink
2. World History Ink
3. Jamestown's American Portraits

I have copies of the "Ink" series if you want to borrow one, just let me know.

RRG:)