Self-discipline Mastery: Develop Navy Seal Mental Toughness, Unbreakable Grit, Spartan Mindset, Build Good Habits, and Increase Your Productivity 10 USD
Logic & Analytical Thinking: Solve complex problems, become smarter and detect fallacies by Improving your rational thinking, your reasoning skills and your brain power 10 USD
A Handbook of Visual Methods in Psychology: Using and Interpreting Images in Qualitative Research 10 USD
The Science of Powerful Focus: 23 Methods for More Productivity, More Discipline, Less Procrastination, and Less Stress 10 USD
