Differential Geometry by Guggenheimer, Heinrich W.

An Introduction to Differential Geometry (Dover Books on Mathematics)

Lectures on Classical Differential Geometry: Second Edition (Dover Books on ...

An Introduction to Differential Geometry (Dover Books on Mathematics)

Advanced Euclidean Geometry (Dover Books on Mathematics)

Ordinary Differential Equations (Dover Books on Mathematics) - Paperback - GOOD

A Vector Space Approach to Geometry (Dover Books on Mathematics)

Coordinate Geometry (Dover Books on Mathematics)