Instruct: Classify a given review as either positive or negative.
Query: An insightful book on a military genius

Hammond's book is the first book I have read on Alexander and I think it is a great book to read if you know at least some detail about Alexander. From his early day's with Philip to Alexander's brilliant conquest of Persia to his early death, this book is absolutely great. The book is fairly brief, but it incorporates good research. The reader can hardly imagine how such a young figure could conquer the greatest and largest empire in the world up to that time. I have no doubt that Alexander was one of the greatest military figures in world history.