Melanie,
I recommend you park in the Danforth garage just west of Mallinckrodt
Center.
Danforth Garage is under the new student center and has three levels
of parking.
It is a paid lot, but it is secure and conveniently located next door.
There is a fair bit of parking on the surface lots and I believe the
meters in front of Mallinckrodt/Edison are monitored until 7pm, at
which point those spaces are available and free.
As for places to eat this week, I would recommend stopping in the Loop
on Delmar, just a few blocks north of the campus.
They have a St. Louis Bread Company, a Qdoba, and a wide range of
other restaurants with a wide range of standard and ethnic fare.
Charlie Robin