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Hagstrom points out who Buffett is, how he operates, and why he is successful. I enjoyed the book because I also study the stock market. Even though I did very well for myself and my customers during a thirty-five year career as a stock broker, I believe I could have done even better had I had this book in 1960.
This was a great book to read. I liked that it was written about Buffet, and not by Buffet. Doing this gave a bit more insight from an external perspective and also highlighted failures as well as successes. Good examples and great quotes throughout the book
This book is good for beginners. You can have the same information by just reading the Berkshire Hathaway annual reports. The autors good have gone deeper on value investing. Overall, it's a good read.