The work of Linda Elder and Richard Paul is vital to the progress of our democratic society. Read this book, change your life, and in the process make the world a safe and saner place to live. -- Michael Shermer, publisher of Skeptic Magazine The absolute and essential guide for learning a system and process for thinking critically in all areas of your life. -- Bryan Deptula, CEO, BKD Leaders Packed with more relevant information than any large textbook. Don't ever lose it, and refer to it often. -- Neal Fleisher, clinical professor, Boston University A brief, but excellent introductory guide to the foundational concepts of critical thinking. -- Linda Tym, associate professor, Southern Adventist University