The Little Blue Thinking Book by Brandon Royal

Brandon Royal's The Little Blue Thinking Book: 50 Powerful Principles for Clear and Effective Thinking provides information and exercises to help individuals make better decisions through careful analysis of the available evidence.

Of particular help was an extended exercise identifying the best arguments to either attack or support a claim.  The drawbacks to each of the less preferred options are covered including the reasoning for the best argument.

He also covers techniques for lateral and creative thinking. 

Introduction to logical thinking - 7 minutes