Puts forward a lot of new ideas. Many specific traders talk about what they think works, what doesn't, what drives the market, etc. Not many books really give the perspective from a successful portfolio manager / trader (i.e. readers will notice most PMs are always long the tail / long gamma). Very inspiring read. Some of the best interviews in the book feature Jim Leitner, Christian Siva-Jothy, Jim Rogers, and Scott Bessent. Peter Thiel (noted venture capitalist) is also interviewed for this book although later on he shut down his fund due to poor performance.
One of the more memorable stories came by way of Siva-Jothy, who illustrated how markets sometimes react slowly to information: during 9/11 when the first plane crashed into the World Trade Center, many news sources speculated an accident. However, Siva-Jothy, having been a recreational pilot, reasoned that pilots generally try to aim for flat land or water when in trouble, therefore the crash was more likely a work by terrorist and starting going long Eurodollars. In fact, he gave a great reason for long Eurodollars as a simple bearish trade: "When the Fed is in an aggressive rate-cutting mode, I want to be long Eurodollars because it's the most obvious trade in the most liquid market." The interview is also lined with some funny anecdotes, another time he was in a meeting with a fellow trader who reasoned shorting Spain "if you can't drink the water, sell the currency."
Throughout the book, there is also some contrasting views on options. For example, Peter Thiel described them as an "inefficient or lazy way to express a theme or hedge a trade" and frequently used options only as indicators for research. Some other fund managers on the macro side have supported the use of options because the asymmetric returns tends to be very advantageous in terms of position management. If one takes a position with options, and the position goes the wrong one, the fund manager can just keep the options position in his drawer; one simple never needs to close out a position since the options are now worth close to zero.
Some other great points from the book: relative value trades are actually negative gamma trades since they rely on reversion to the mean. Also, various managers stress the importance of understanding liquidity and the mark to market impact of trades (something not seen in liquid markets but experienced by anyone trading a fixed income product where one player unwinding will cause havoc for all).