The book in question is Microsoft Office Specialist: Excel Expert (Office 2019) MO-201 Exam Study Guide. This guide is designed to prepare individuals for the MO-201 exam, which tests advanced Excel skills required to work efficiently and effectively with Microsoft Excel 2019. The book covers a wide range of topics that include advanced functions, formulas, data analysis, charting, and pivot tables. The study guide dives deep into topics such as data management, advanced formula creation, macro creation, and the application of advanced charting techniques. It also provides instructions for efficiently managing workbooks, validating and formatting data, and connecting to external data sources. The guide explains the use of Power Query and Power Pivot for data manipulation and integration, emphasizing the importance of DAX (Data Analysis Expressions) for building advanced formulas. In addition, the book touches on essential techniques for troubleshooting and auditing, including tools for error checking, formula tracing, and using watch windows. Practical guidance on protecting worksheets and using conditional formatting is also included. For each section, the study guide provides a detailed explanation of the processes, along with multiple-choice questions (MCQs) for practice. These questions are aimed at ensuring thorough preparation for the exam, testing both knowledge and practical application of Excel 2019’s advanced features. By the end of the guide, candidates will be equipped with the necessary skills to pass the MO-201 certification and effectively use Excel 2019 in professional environments