
String Theory and M-Theory: A Modern Introduction,

String Theory and M-Theory: A Modern Introduction: Becker, Katrin, Becker, Melanie, Schwarz, John H.: 9780521860697: Amazon.com: Books,

Introduction to String Theory | SpringerLink,

Superstring Theory: Volume 1, Introduction (Cambridge Monographs on Mathematical Physics): Green, Michael B., Schwarz, John H., Witten, Edward: 9780521357524: Amazon.com: Books,

Superstring Theory: Volume 1, Introduction (Cambridge Monographs on Mathematical Physics),