More "2 for $100" books
I just added more "2 for $100" options. Get an old friend to go in on it with you. Better yet, you should use it as a good excuse to talk to that guy or girl on the subway that you see everyday, but never have the guts to talk to. Maybe they'll want to go in on it with you, and a beautiful relationship will blossom.
Stipulation: If you get married, you have to invite me to the wedding.
Bonus: If you get divorced, you each get to keep a copy.