I didn't realize that the 1996 "Mars Attacks!" movie was inspired by a set of 1962 trading cards! There's a great article about the cards here:
http://dangerousminds.net/comments/the_ultraviolent_1962_mars_attacks_trading_cards
You can still buy the cards, but I bought this dirt-cheap hardcover book instead:
http://www.amazon.com/Mars-Attacks-Topps-Company/dp/1419704095/