"The Checklist Manifesto" is a book by Atul Gawande that explores the importance of checklists in complex tasks. Gawande argues that even experts can overlook critical steps, and checklists can help ensure consistency and thoroughness in various fields, including medicine, aviation, and construction. The book presents real-world examples demonstrating how checklists improve outcomes and reduce errors. Gawande emphasizes that checklists are not just for novices; they can enhance the performance of seasoned professionals by providing a simple yet effective tool to manage complexity and improve efficiency in their work.