Instruct: Classify the given review into positive or negative sentiment.
Query: Poor book overall with the occasional insightful flash

This book is basically a collection of notes assembled by a successful hedge fund manager. I would like to break the review down into structure and content. Structurally the book is an absolute mess. The book lurches from chapter to chapter in no logical order. Some of the writing is fairly pedestrian. The shifts from prose to diary to prose again can be disconcerting for the reader. The content ranges from the insightful to the ridiculous. Although the author does have flashes of brilliance, he also touts ridiculous concepts such as the contrarian indicator, hot streaks and reversion to the mean. As an example of the ridiculous the author dedicates an entire chapter to a man who allegedly could obtain a "special" edition of the Wall Street Journal which contained future prices. As an example of the random, the author dedicates a chapter to the life of Keynes. I find it difficult to recommend this book to anybody.