A First Course In String Theory- Barton Zwiebach. Cambridge.

Mathematical Methods in Chemistry and Physics by Michael E Starzak Plenum HC

The Geometry and Physics of Knots by Michael Atiyah (Paperback) Lezioni Lincee

INTRODUCTION TO MATHEMATICAL PHYSICS By Michael T. Vaughn

Mathematical Methods For Introductory Physics With Calculus

Mathematical Physics Functions and Methods by Hochstadt, Chisholm, Morris

Methods of Mathematical Physics by Jeffreys and Jeffreys (1972, Trade Paperback)

A G Webster Partial Differential Equations of Mathematical Physics, 1955 Vintage