<p>a)Housing is insanely expensive to stay at Columbia. When I checked 2 summers ago it was over 4000$ and it’s probably gone up since then. Your best bet is to find a group of people to sublet an apartment with. That would at least cut the cost to 2000-3000 for the summer.</p>
<p>b) You’re a student, I’m sure you know how to use the directory of classes. Summer 2008 is still up. [CU</a> Directory of Classes](<a href=“http://www.columbia.edu/cu/bulletin/uwb/]CU”>http://www.columbia.edu/cu/bulletin/uwb/)</p>