I just finished listening to the audiobook version of "In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect."
It's a new book and currently has 3 stars (of 5) from 78 Amazon reviewers. I enjoyed the book and I recommend it to anybody with an interest in the USSS or federal law enforcement. I also recommend it to those interested in learning some previously untold stories about the personality quirks of past US Presidents and their families.
This book swings back and forth between bashing USSS upper management and revealing secrets about the famous protectees. At times, it seemed as if the book were intended to lobby for additional funding for the service. That was annoying.
Also, I was surprised at how much is revealed about past presidents and their families. That seems contrary to the Secret Service's obligation to keep such things secret. Maybe I don't understand their obligations, and maybe they are only to keep secret things they overhear, and not bound to keep secret their observations of personality quirks and odd behaviors.
Regardless, it was an interesting book.