The book, "Strategic Mindset," by Thibaut Meurisse, emphasizes planning effectively, becoming efficient and effective, thinking strategically, learning quickly, and managing energy. The book provides a step-by-step process for readers to develop a strategic mindset, plan their year, identify key tasks, and approach work in a more productive way. Meurisse encourages readers to focus on a single, impactful goal and build a strong foundation for success by prioritizing key actions and leveraging their strengths.