Rajesh, I think about a week or 2 ago Helen Armstrong posted a nice collection of sources you might find interesting. Not all were introductory, but she may have good pointers. If you can't find the message I can send you a copy.
-Charles -- Charles R. Twardy, Res.Fellow, Monash University, School of CSSE ctwardy at alumni indiana edu +61(3) 9905 5823 (w) 5146 (fax)
