Microfinance Origins: The book likely delves into the origins of microfinance and its role in providing financial services to the economically disadvantaged, often focusing on Bandhan's journey in this context.

Bandhan's Transformation: The narrative may discuss the transformation of Bandhan from a microfinance institution into a full-fledged bank. This transition could involve regulatory challenges, strategic decisions, and the impact on its clientele.

Inclusive Banking: The focus on inclusive banking is a common theme in microfinance. The book may highlight how Bandhan's transformation contributed to its ability to offer a broader range of financial services to a larger customer base.

Impact on Poverty Alleviation: Microfinance is often seen as a tool for poverty alleviation. The book may explore the tangible impact that Bandhan, as a microfinance institution turned bank, has had on the communities it serves.

Regulatory Landscape: Understanding the regulatory challenges and adaptations required for microfinance institutions to evolve into banks. The book may shed light on how Bandhan navigated regulatory changes in the financial industry.

Entrepreneurial Leadership: Bandhan's story likely includes insights into the leadership that drove its growth and transformation. Entrepreneurial leadership, decision-making, and vision may be discussed in the context of the book.

Challenges and Risks: The book may address the challenges and risks faced by Bandhan during its evolution. This could include issues related to scalability, managing credit risks, and adapting to the changing financial landscape.

Technology in Microfinance: Given the evolution of the financial sector, the book might touch upon the role of technology in Bandhan's operations and how it has enhanced the efficiency and reach of its financial services.

Social Impact Measurement: Microfinance institutions often emphasize their social impact. The book may discuss how Bandhan measures and communicates its social impact, going beyond financial metrics.

Lessons for the Industry: Finally, "A Bank for the Buck" may offer broader lessons for the microfinance and banking industry. This could include insights for other institutions considering a similar transition and the evolving role of microfinance in the financial ecosystem.