Harvard Business Review Special Issues are single-theme collections of both classic and recent articles written by some of the world's leading management scholars and practitioners. HBR editors handpick each article for its relevance and insight. To help busy leaders quickly absorb and apply the concepts, these collections also include short "Idea in Brief" summaries. This issue focuses how organizations, leaders, and employees can learn new skills and adapt rapidly to new environments. Articles include "Make Yourself an Expert" by Dorothy Leonard, Gavin Barton, and Michelle Barton; "Teaching Smart People How to Learn" by Chris Argyris, and "Why Organizations Don't Learn" by Francesca Gino and Bradley Staats. You'll also find selected content from our website, such as "What Having a 'Growth Mindset' Actually Means" by Carol Dweck, "How to Teach Employees Skills They Don't Know They Lack" by Ulrik Juul Christensen; and "To Cope with Stress, Try Learning Something New" by Chen Zhang, Christopher G. Myers, and David M. Mayer.