Classical Mathematical Logic: The Semantic Foundations of Logic

Advanced Abacus: Theory and Practice

Reasoning and Formal Logic

Ramanujan's Lost Notebook: Part I, Part 1

Reasoning in Science and Mathematics

Number Theory: An Introduction to Mathematics: Part A, Part 1

An Introduction to Formal Logic: Second Edition: Edition 2

Propositional Logics 3rd edition: Edition 3

Complex Variables

Attacking Problems in Logarithms and Exponential Functions

Computability: Computable Functions, Logic, and the Foundations of Mathematics, Edition 3

Spectral Geometry of Partial Differential Operators

Mathematical Concepts of Quantum Mechanics: Edition 2

Introduction to Calculus and Analysis I

Multivariable Calculus