"Quality of Earnings" is a book that focuses on financial analysis and evaluation of a company's earnings. Thornton L. O'glove explores the concept of the quality of earnings and the importance of understanding the true financial health of a business. The book is often considered a valuable resource for investors, financial analysts, and anyone interested in assessing the reliability of a company's reported earnings.

Key topics covered in the book may include:

1. Earnings Quality: The book likely delves into what constitutes high-quality earnings and how investors can distinguish between sustainable and transitory earnings.

2. Financial Statement Analysis: O'glove may provide insights into analyzing financial statements, including income statements and balance sheets, to gain a deeper understanding of a company's financial performance.

3. Red Flags: The author may discuss common pitfalls and warning signs that investors should be aware of when assessing the quality of a company's earnings.

4. Case Studies: Practical examples and case studies may be included to illustrate the concepts and techniques discussed in the book.

5. Investment Strategies: The book might offer guidance on how investors can use their understanding of earnings quality to make more informed investment decisions.

It's always a good idea to check the latest reviews and summaries for more current and detailed information about the book. Additionally, if there have been any new editions or updates since my last knowledge update, those may contain additional insights.