Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A citation system that the nsa would love...

Many other readers have commented on the poor quality of this book and i agree 100%. The most troubling aspect of the book for me is the citation system. The author makes it very hard to track down sources used for the book. Furthermore the author does not use footnotes, endnotes or in text citations. If you are curious about the source of information you must turn to the back of the book where there are "citations" (if you can cal them that) arranged by page number. Many times the author uses supposed direct quotations without any reference to the source. The book should be read as a work of fiction...