1.
 |  | Title: String Theory, Vol. 2 : Superstring Theory and Beyond (Cambridge by Joseph Polchinski, P. V. Landshoff, D. R. Nelson, D. W. Sciama, S. Weinberg ISBN: 0521633044 Publisher: Cambridge University Press Pub. Date: 13 October, 1998 List Price: $65.00 Amazon.com Price: $50.70 |
2.
 |  | Title: String Theory, Vol. 1 : An Introduction to the Bosonic String (Cambridge Monographs on Mathematical Physics) by Joseph Polchinski, P. V. Landshoff, D. R. Nelson, D. W. Sciama, S. Weinberg ISBN: 0521633036 Publisher: Cambridge University Press Pub. Date: 13 October, 1998 List Price: $65.00 Amazon.com Price: $65.00 |
3.
 |  | Title: String Theory 2 volume set by Joseph Polchinski, P. V. Landshoff, D. R. Nelson, D. W. Sciama, S. Weinberg ISBN: 0521633125 Publisher: Cambridge University Press Pub. Date: 22 October, 1998 List Price: $130.00 Amazon.com Price: $92.30 |
4.
 |  | Title: Recent Directions in Particle Theory: From Superstrings and Black Holes to the Standard Model: Proceedings of the 1992 Theoretical Advanced Study I by Jeffrey Harvey, Joseph Polchinski ISBN: 981021233X Publisher: World Scientific Pub Co Pub. Date: October, 1993 List Price: $146.00 Amazon.com Price: $146.00 |