Of all the duties soldiers performed on the Western Front, mining was probably the most terrifying and lethal. The author has brought to life this subterranean existence. The text is very descriptive and captures the dangers and terrors underground, aided by a photo plate section with rare photographs, and a host of detailed drawings that explain the technology and methods employed to construct the networks of tunnels, bunkers and explosive mines. This is an area of combat in France during WWI that has previously received very little coverage despite its growing importance to trench warfare. The author has corrected this deficiency with what may prove the definitive book on the subject. Highly commended!!!