Critical Reading and Thinking

Mind Mapping For Dummies

Quicklet on Dan Ariely's Predictably Irrational (CliffNotes-like Book Summary)

The Charismatic Edge: The Art of Captivating and Compelling Communication

How to Write a Sentence

The Art of Logical Thinking: Or the Laws of Reasoning (Classic Reprint)

Sequential Problem Solving / A Student Handbook with Checklists for Successful Critical Thinking

Puzzle-based Learning: An introduction to critical thinking, mathematics, and problem solving