Gravitation and Inertia

General Relativity

FAST SHIP - Relativity, Gravitation and Cosmology: A Basic Introduction by Cheng

Group Theory: The Application to Quantum Mechanics (Dover Books on Physics)

Gravitation and Spacetime - Hardcover, by Ohanian Hans C.; Ruffini - Very Good b

Coordinate Geometry (Dover Books on Mathematics)

Schaum's Outline of Lagrangian Dynamics - Dare A Wells, 9780070692589, paperback

The Concept of a Riemann Surface (Dover Books on Mathematics)