String Theory (Cambridge Monographs on Mathematical Physics) (Volume 1)
String Theory (Cambridge Monographs on Mathematical Physics) (Volume 1),STRING THEORY JOSEPH POLCHINSKI VOLUME ll,Cambridge Monographs on Mathematical Physics Ser.: String Theory Vol. 1 : An Introduction to the Bosonic String by Joseph Polchinski (2005, Perfect) for sale online | eBay,Superstring Theory: Volume 1, Introduction (Cambridge Monographs on Mathematical Physics),STRING THEORY JOSEPH POLCHINSKI VOLUME ll | eBay