?The 4 Disciplines of Execution is a book every leader should read.?Clayton Christensen, Professor, Harvard Business School, and author of The Innovator?s Dilemma For fans of Good to Great and The First 90 Days, The Four Disciplines of Execution is the foundational text for creating lasting organizational change. Read Online and Download The 4 Disciplines of Execution: Achieving Your Wildly Important Goals. The 4 Disciplines of Execution: Achieving Your Wildly Important Goals BY Sean Covey