"The Most Excellent OER Spreadsheets Textbook Ever Published (in 2025)" by Marcus Lacher is a comprehensive and accessible guide designed to empower students and professionals with the skills needed to master Microsoft Excel. This textbook is meticulously crafted to be concise, effective, and cost-efficient, aligning with typical college-level business spreadsheets course outcomes without unnecessary content. Key Features: Structured Learning Path: The book is divided into well-organized chapters, each focusing on specific aspects of Excel, from fundamental skills to advanced data analysis techniques. Practical Exercises: Each chapter includes practical exercises that reinforce learning through hands-on experience. These exercises are designed to help users apply what they've learned in real-world scenarios. Clear and Concise Explanations: The textbook provides clear and concise explanations of Excel functions and features, making it easy for learners to understand and apply complex concepts. Visual Aids: The book is rich with screenshots and visual aids that guide users through each step of the learning process, ensuring that visual learners can follow along easily. Comprehensive Coverage: Topics covered include data entry, formatting, data analysis, chart creation, logical functions, lookup functions, and more. The book also delves into advanced topics such as pivot tables, data validation, and the use of Excel in financial computations. Real-World Applications: The textbook emphasizes the practical application of Excel skills in various professional contexts, including finance, data analysis, and project management. Accessibility: As an Open Educational Resource (OER), this textbook is freely available for use and adaptation, making it an invaluable resource for educators and learners worldwide. Conclusion: "The Most Excellent OER Spreadsheets Textbook Ever Published (in 2025)" is an essential resource for anyone looking to enhance their Excel skills. Whether you are a student, educator, or professional, this textbook offers a wealth of knowledge and practical tools to help you succeed in mastering Excel.