The final book I recommend is Playing to Win by A. G. Laffey and Roger Martin. It blends two approaches to strategic thinking: stories from the trenches and theories from Academia. The core of the book introduces the framework that P&G has uses to create successful brands, products, and new product categories. The authors identify strategy as a coordinated and integrated set of five choices:
This is a terrific book to review when you have some basic strategic challenges. It poses a set of questions associated with each choice.