The book "The Quality of the Informant" is an exciting psychological thriller about an FBI agent who finds himself in the vortex of an important investigation into a series of terrorist acts. However, the protagonist is later forced to question everything he knows about truth and lies when he has to work with an informant he can trust. Convoluted plot lines, unexpected turns of events and psychological tension make this book an exciting read for lovers of detective and spy stories. "The Quality of the Informant" is a book that will keep you on the edge of your seat until the very last paragraph.