Check out Taylor & Wheeler's "Exploring Black Holes - Introduction to
General Relativity"
This is the extension of "Space Time Physics" which does special
relativity. Their approach is through geometry rather than tensor
calculus, so the math level is tractable.
**********************************************
"I want you to know when we talk about war,
we're really talking about peace."
- George W. Bush
**********************************************
Dr. George Spagna
Chair, Physics Department
Randolph-Macon College
P.O. Box 5005
Ashland, VA 23005-5505