The Art of Solving Problems

See Ya Later Calculator: Simple Math Tricks You Can Do in Your Head

Logically Fallacious: The Ultimate Collection of Over 300 Logical Fallacies (Academic Edition)

The Fall of the Human Intellect

The 5 Elements of Effective Thinking

Solving Big Problems Made Simple: A Practical Guide

Critical Thinking: Develop Deep Thinking Skills to Make Smarter Decisions (Learn to Make Decisions, Think More Logically and Use Your Intuition)

What Is Mathematics, Really?

Calculus Made Easy: Being a Very-Simplest Introduction to Those Beautiful Methods of Reckoning Which are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus

Problem Solving 101: A simple book for smart people

You Decide: The Power Of Decision Making And How Your Decision Affects Your Life

The Great Mental Models: Economics and Art

The Great Mental Models: General Thinking Concepts

Problems and Solutions for Integer and Combinatorial Optimization: Building Skills in Discrete Optimization

Sun Tzu: Based on the Classics the Art of War and the Prince (How to Use the Art of War to Master Challenges and Accomplish the Important Goals in Your Life)