Summary:This book is like a toolbox, full of different kinds of tools you can use for different thinking tasks. Just as you use the wrench in a regular tool box to fix the sink, so you can use the tools in this book to solve thinking problems.-When it is dumb to argue-Using the scientific method-Five rules of brainstorming-Who has a reason to lie?-How to analyze opposing viewpoints-How to analyze evidence and sources-How to list reasons why you believe something-And