Real Analysis and Applications (Undergraduate Texts in Mathematics) by Davidson

Undergraduate Texts in Mathematics: Introduction to Difference Equations by...

Undergraduate Texts in Mathematics Ser.: Introduction to Linear Algebra by Serge

Undergraduate Texts in Mathematics Ser.: Linear Algebra Done Right by Sheldon...

Undergraduate Texts in Mathematics : Basic Topology by M. A. Armstrong...

Applied Linear Algebra (Undergraduate Texts in Mathematics) by Olver, Peter J.

Calculus Two: Linear and Nonlinear Functions (Undergraduate Texts in Mathematics

Undergraduate Texts in Mathematics Ser.: Real Analysis and Applications : Theory