The First 90 Days is a highly practical guide designed to help professionals succeed in new roles—whether you’re starting a new job, taking on a promotion, or stepping into leadership. Michael D. Watkins outlines key strategies that allow you to quickly understand your environment, build strong relationships, set priorities, and achieve early wins. Through proven frameworks and real-world examples, the book helps you avoid common mistakes and accelerate your transition. It teaches you how to diagnose challenges, match your leadership style to the situation, and create a concrete plan for success. Clear, actionable, and widely trusted by leaders worldwide, this book is a roadmap to making your first 90 days your strongest.