The book progresses chronologically, starting with rudimentary ancient techniques and moving through Roman strategies, medieval innovations, and the decline of traditional siege warfare. It emphasizes that military engineering was a dynamic field driving technological advancement and influencing history. For example, the development of the trebuchet significantly altered siege capabilities during the Middle Ages.
What sets Siege Engineers apart is its focus on the engineers themselves, offering a fresh perspective beyond battles to examine the technological and human factors determining victory. By exploring their motivations and innovations, the book provides an insightful overview of a topic often overlooked in traditional military histories, connecting it to fields like archaeology and architectural history.