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

Elementary Differential Geometry (Springer Undergraduate Mathematics Series)

Fields, Flows and Waves: An Introduction to Continuum Models (Springer Undergraduate Mathematics Series)

An Introduction to Enumeration (Springer Undergraduate Mathematics Series)

An Introduction to Laplace Transforms and Fourier Series (Springer Undergraduate Mathematics Series)