I'm going to make the bold statement that Roger Martin is this era's Peter Drucker as a prolific business writer.
Roger has co-authored my favorite book on strategy, Playing to Win which is simple, concise, pragmatic, and has plenty of sticky concepts.
Roger's newest book is A New Way to Think. If you like Adam Grant, Dan Pink, the Heath brothers, or Matthew May, this book belongs in your book queue, the topic in this conversation.