Why do some nations win or lose a share of world trade? Michael Porter, author of the two most widely quoted books on strategic management, has just published a masterful new book, The Competitive Advantage of Nations, which offers a theory to explain the triumph of some nations in some markets.

Your strategy needs a strategy / by Martin Reeves, Claire Love, and Philipp Tillmanns -- Transient advantage / by Rita Gunther McGrath -- Bringing science to the art of strategy / by A.G. Lafley, Roger L. Martin, Jan W. Rivkin, and Nicolaj Siggelkow -- Managing risks: a new framework / by Robert...