A glossary for those not familiar with the terms.
Patricia's site for
superstrings and...
John's site for strings
John Pierre's
site for strings
with an excellent (and animated) tutorial
icluding D-branology and assorted black-holes.
A wide selection of related links available.
A succinct introduction to Superstring theory by Brian Greene.
And another by Robert Dijkgraaf.
A simple review article by Wolfgang Lerche on recent progress in string theory
The home page of the damtp group and some favorite passtimes: black holes
and quantum gravity including M-theory
and the holographic principle.
Witten's view
on the status of string theory.
And some Hawking glitz.
Lectures on Strings (Graduate Level)
"Introduction to String Theory", a graduate level course, published by Leuven University Press.
Available also from hep-th.
Introduction to string theory by Joe Polchinski.
An introduction to non-perturbative string theory by Ashoke Sen.
Lectures on D-branes: the TASI lectures by Joe Polchinski
and the Newton lectures by Costas Bachas.
String Theory on Calabi-Yau Manifolds by B. Greene.
A review of holography
By Aharony et al. in the context of AdS/CFT correspondence.