A few questions about The Great Gatsby i would like answered before I buy it.?

Im about to buy the book The Great Gatsby by F. Scott Fitzgerald. And I would like a couple things answered before I buy it. Any special characteristic of the book such as unusual subject matter, technical information, more detailed information on the subject. A critique of the book describing your impressions of its effectiveness in telling the story or conveying the information. How you liked the book and your recommendation to other readers and why.