Key highlights and reasons for the positive rating of this book include:

1. In-Depth Exploration: Bhanver's book provides a detailed account of Satya Nadella's life, from his upbringing in India to his ascent to the helm of Microsoft. It meticulously traces his professional journey, achievements, and the challenges he faced along the way.

2. Leadership Insights: "Nadella" offers valuable insights into Nadella's leadership style and his vision for Microsoft. It explores his approach to technology, innovation, and the cultural shift he initiated within the company.

3. Business Transformation: The book delves into the strategic decisions and initiatives undertaken by Nadella to pivot Microsoft towards a cloud-first, mobile-first direction. It highlights the company's evolution under his leadership.

4. Personal Growth: Readers get a sense of Nadella's personal growth and the influence of his upbringing, family, and personal experiences on his leadership philosophy.

5. Contemporary Relevance: Given Microsoft's significance in the tech industry, the book is relevant to anyone interested in the evolution of the tech giant and the broader technology landscape.

However, there are some aspects of the book that readers may find less appealing:

1. Lack of Critical Analysis: "Nadella" largely celebrates Nadella's achievements and does not provide a critical examination of Microsoft's practices or the challenges it faces.

2. Limited Personal Insights: While the book delves into Nadella's career and leadership style, it offers limited personal insights into his character and motivations, leaving readers curious about the man behind the CEO.

In conclusion, "Nadella: The Changing Face of Microsoft" is a well-researched and engaging biography that sheds light on the life and leadership of Satya Nadella. It is a valuable resource for those interested in the technology industry, leadership, and the evolution of one of the world's most iconic tech companies. While the book's focus on celebrating Nadella's achievements may not offer a deeply critical examination, it nevertheless provides a comprehensive and inspiring account of a tech visionary who has played a pivotal role in shaping Microsoft's future.