For 1-semester, freshman/sophomore level courses in Principles of Macroeconomics.

This modern principles text has a strong foundation in demand and supply, the most important topic in learning and teaching principles of economics. Its improved coverage of change in demand vs. change in quantity demanded (also in supply coverage) enables students to better visualize and truly understand the difference between these two fundamental concepts. In macroeconomics, the long run first organization offers a balanced presentation between long run and short run topics allow professors to cover the important issues of growth early, and gives them the flexibility to cover Keynesian material when they feel it is important. The AD/AS model is covered early in the presentation.

If you want to teach a modern principles course that brings out economic applications through active learning and experiments, and utilizes a streamlined framework emphasizing 5 key principles, examine O'Sullivan/Sheffrin's Economics: Principles and Tools 3/e.

If you prefer to introduce long run issues with subsequent, balanced coverage of AS/AD and the Keynesian Cross, examine Chapters 7-10.

When covering Comparative Advantage, if you prefer early coverage and emphasis continuing throughout related topics, start by looking at Chapter 3 and continue through O'Sullivan/Sheffrin's discussion of interdependence of economies.