Aside from being a great general, politician — and perhaps even a great statesman (his handling of the varioius conquered tribes in Gaul speak to this), Jullius Caesar also was a top notch reporter. His report to the Senate on the campain in Gaul in 58 – 50 BC is one of the great pieces of military literature. While some argue that the works are little more than propaganda pieces, the detail with which he writes makes me think otherwise. Caesar’s style is powerful for its detail, and spare. My guess is that he no more would waste words than he would waste supplies, or political capital.
For miniature wargamers interested in ancient wargaming, this book is a must read. It is one of the few first-hand accounts of ancient warfare that have survived to the modern age. Most other works are second hand, at best.