A Beginner's Guide to Differential Forms

Differential Geometry: Curves -- Surfaces -- Manifolds (Student Mathematical Library, 77)

Elementary Differential Geometry, Revised 2nd Edition

A Comprehensive Introduction to Differential Geometry, Vol. 4, 3rd Edition

Geometry of Differential Forms (Translations of Mathematical Monographs, Vol. 201)

Tensor Geometry: The Geometric Viewpoint and its Uses (Graduate Texts in Mathematics, 130)

Introduction to Differential Geometry of Space Curves and Surfaces: Differential Geometry of Curves and Surfaces

Differential Geometry (Dover Books on Mathematics)

Manifolds, Vector Fields, and Differential Forms: An Introduction to Differential Geometry (Springer Undergraduate Mathematics Series)

Regular Polytopes