Math Practice Workbook Grades 6-8: 1000+ Questions You Need to Kill in Middle School by Brain Hunter Prep (Arithmetic, Algebra, Geometry, Measurement, ... more in Kill It Series by Brain Hunter Prep)

The Fabulous Fibonacci Numbers

Lie Algebras (Dover Books on Mathematics)

Pre-Algebra Skills: (Grades 6-8) Middle School Math Workbook (Prealgebra: Exponents, Roots, Ratios, Proportions, Negative Numbers, Coordinate Planes, ... & Statistics) – Ages 11-15 (With Answer Key)

Matrices and Linear Algebra (Dover Books on Mathematics)

Inequalities, Exponents and Absolute Value (Proofs in Number Theory Book 3)

Polynomial Functions: The All in One Textbook (Haneul Choi Mathematics Textbooks)

Summit Math Algebra 2 Book 6: Linear and Nonlinear Systems of Equations (Algebra 2 Series - 2nd Edition)

Schaum's Outline of Mathematical Handbook of Formulas and Tables, 4th Edition: 2,400 Formulas + Tables (Schaum's Outlines)

The Cartoon Guide to Calculus (Cartoon Guide Series)