AmazonOLD has a Free Kindle eBook: Critical Thinking: Tools for Taking Charge of Your Life by Drs. Richard Paul and Linda Elder ($26.58 for the hardcover  version).

About

Critical Thinking: Tools for Taking Charge of Your Professional and Personal Life is about becoming a better thinker in every aspect of your life: in your career, and as a consumer, citizen, friend, parent, and lover.

Learn about:

• Practical skills for thinking more clearly-and making more effective decisions
• Thinking strategically: using effective thinking to achieve your goals
• Evaluating thinking: yours and everyone else's
• Thinking more effectively in your personal and business relationships