This is a simple descriptive chapter which should be read in its entirety.

Here are the main sections

Opportunity Cost
Efficient Markets -- No Free Lunch
Theories and Models
All Else Equal,Ceteris Paribus
Expressing Models, etc.
Cautions and Pitfalls
Testing Theories, etc.
Efficiency
Growth
Stability

Also the Appendix on graphing (if you need review)