This book offers important theories and practical insights on competitive strategy. - Title: Michael Porter's Competitive Strategy - Author: Joan Magretta - Translator: Yuko Sakurai - Content: Provides important theories and practical insights on competitive strategy. I read it once and then stored it. As shown in the third image, there is a slight scratch on the cover, and as shown in the fourth image, there is a slight, inconspicuous discoloration on the side. Please understand that this is a used item. Thank you for looking.